22920865560 has 96 divisors (see below), whose sum is σ = 76895844480. Its totient is φ = 5915059200.

The previous prime is 22920865547. The next prime is 22920865589. The reversal of 22920865560 is 6556802922.

22920865560 is a `hidden beast` number, since 2 + 2 + 9 + 2 + 0 + 86 + 5 + 560 = 666.

It is a super-2 number, since 2×22920865560² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1015761 + ... + 1038080.

It is an arithmetic number, because the mean of its divisors is an integer number (800998380).

Almost surely, 2^22920865560 is an apocalyptic number.

22920865560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22920865560 is an abundant number, since it is smaller than the sum of its proper divisors (53974978920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22920865560 is a wasteful number, since it uses less digits than its factorization.

22920865560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053889 (or 2053882 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 22920865560 in words is "twenty-two billion, nine hundred twenty million, eight hundred sixty-five thousand, five hundred sixty".