22057876520 has 32 divisors (see below), whose sum is σ = 49637637000. Its totient is φ = 8821832448.

The previous prime is 22057876469. The next prime is 22057876541. The reversal of 22057876520 is 2567875022.

It can be written as a sum of positive squares in 4 ways, for example, as 14014297924 + 8043578596 = 118382^2 + 89686^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256442 + ... + 331478.

Almost surely, 2^22057876520 is an apocalyptic number.

22057876520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22057876520 is an abundant number, since it is smaller than the sum of its proper divisors (27579760480).

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

22057876520 is a wasteful number, since it uses less digits than its factorization.

22057876520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82397 (or 82393 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 22057876520 in words is "twenty-two billion, fifty-seven million, eight hundred seventy-six thousand, five hundred twenty".