Base | Representation |
---|---|
bin | 10010110110101001… |
… | …001110100110101100 |
3 | 1221020211220100221202 |
4 | 102312221032212230 |
5 | 312424444131340 |
6 | 13144445545032 |
7 | 1314445160546 |
oct | 226651164654 |
9 | 57224810852 |
10 | 20244130220 |
11 | 8649313736 |
12 | 3b0b875178 |
13 | 1ba81436a2 |
14 | da08b4696 |
15 | 7d73e0c15 |
hex | 4b6a4e9ac |
20244130220 has 24 divisors (see below), whose sum is σ = 42613671408. Its totient is φ = 8078414400.
The previous prime is 20244130217. The next prime is 20244130297. The reversal of 20244130220 is 2203144202.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 20244130192 and 20244130201.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1193726 + ... + 1210565.
It is an arithmetic number, because the mean of its divisors is an integer number (1775569642).
Almost surely, 220244130220 is an apocalyptic number.
20244130220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20244130220 is an abundant number, since it is smaller than the sum of its proper divisors (22369541188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20244130220 is a wasteful number, since it uses less digits than its factorization.
20244130220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2404721 (or 2404719 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
Adding to 20244130220 its reverse (2203144202), we get a palindrome (22447274422).
The spelling of 20244130220 in words is "twenty billion, two hundred forty-four million, one hundred thirty thousand, two hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •