20021220

20,021,220 is an even composite number composed of four prime numbers multiplied together.

What does the number 20021220 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

20021220 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 20021220:

2² × 3² × 5 × 111229

(2 × 2 × 3 × 3 × 5 × 111229)

See below for interesting mathematical facts about the number 20021220 from the Numbermatics database.

Names of 20021220

Cardinal: 20021220 can be written as Twenty million, twenty-one thousand, two hundred twenty.

Scientific notation

Scientific notation: 2.002122 × 10⁷

Factors of 20021220

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 111239

Divisors of 20021220

Number of divisors d(n): 36
Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 111229 222458 333687 444916 556145 667374 1001061 1112290 1334748 1668435 2002122 2224580 3336870 4004244 5005305 6673740 10010610 20021220
Sum of all divisors σ(n): 60731580
Sum of proper divisors (its aliquot sum) s(n): 40710360
20021220 is an abundant number, because the sum of its proper divisors (40710360) is greater than itself. Its abundance is 20689140

Bases of 20021220

Binary: 1001100010111111111100100₂
Hexadecimal: 0x1317FE4
Base-36: BX4H0

Squares and roots of 20021220

20021220 squared (20021220²) is 400849250288400
20021220 cubed (20021220³) is 8025491026859119848000
The square root of 20021220 is 4474.5077941603
The cube root of 20021220 is 271.5377276305

Scales and comparisons

How big is 20021220?

20,021,220 seconds is equal to 33 weeks, 17 hours, 27 minutes.
To count from 1 to 20,021,220 would take you about forty-nine weeks!

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
A cube with a volume of 20021220 cubic inches would be around 22.6 feet tall.

Recreational maths with 20021220

20021220 backwards is 02212002
20021220 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 20021220's digits is 9
More coming soon!

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The information we have on file for 20021220 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

Keywords: Divisors of 20021220, math, Factors of 20021220, curriculum, school, college, exams, university, Prime factorization of 20021220, STEM, science, technology, engineering, physics, economics, calculator, twenty million, twenty-one thousand, two hundred twenty.