Base | Representation |
---|---|
bin | 10010110110101000… |
… | …110001111111011100 |
3 | 1221020211200102012000 |
4 | 102312220301333130 |
5 | 312424431404040 |
6 | 13144443242300 |
7 | 1314444162060 |
oct | 226650617734 |
9 | 57224612160 |
10 | 20244013020 |
11 | 8649243680 |
12 | 3b0b819390 |
13 | 1ba810223a |
14 | da0883aa0 |
15 | 7d73bb130 |
hex | 4b6a31fdc |
20244013020 has 192 divisors, whose sum is σ = 78522393600. Its totient is φ = 4206539520.
The previous prime is 20244013001. The next prime is 20244013033. The reversal of 20244013020 is 2031044202.
20244013020 is a `hidden beast` number, since 202 + 440 + 1 + 3 + 0 + 20 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 20244012984 and 20244013002.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 201855 + ... + 285014.
It is an arithmetic number, because the mean of its divisors is an integer number (408970800).
Almost surely, 220244013020 is an apocalyptic number.
20244013020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20244013020 is an abundant number, since it is smaller than the sum of its proper divisors (58278380580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20244013020 is a wasteful number, since it uses less digits than its factorization.
20244013020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 486905 (or 486897 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
Adding to 20244013020 its reverse (2031044202), we get a palindrome (22275057222).
The spelling of 20244013020 in words is "twenty billion, two hundred forty-four million, thirteen thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •