Base | Representation |
---|---|
bin | 10010101100000101… |
… | …100110111010101100 |
3 | 1220210111122021001000 |
4 | 102230011212322230 |
5 | 312044124123320 |
6 | 13115121520300 |
7 | 1310164600554 |
oct | 225405467254 |
9 | 56714567030 |
10 | 20067020460 |
11 | 8568345533 |
12 | 3a804a3090 |
13 | 1b7a542206 |
14 | d85170164 |
15 | 7c6aa8c90 |
hex | 4ac166eac |
20067020460 has 96 divisors (see below), whose sum is σ = 63132350400. Its totient is φ = 5291066880.
The previous prime is 20067020453. The next prime is 20067020483. The reversal of 20067020460 is 6402076002.
It is a super-2 number, since 2×200670204602 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160711 + ... + 256830.
It is an arithmetic number, because the mean of its divisors is an integer number (657628650).
Almost surely, 220067020460 is an apocalyptic number.
20067020460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20067020460 is an abundant number, since it is smaller than the sum of its proper divisors (43065329940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20067020460 is a wasteful number, since it uses less digits than its factorization.
20067020460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 417648 (or 417640 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 27.
Adding to 20067020460 its reverse (6402076002), we get a palindrome (26469096462).
The spelling of 20067020460 in words is "twenty billion, sixty-seven million, twenty thousand, four hundred sixty".
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