22031545120 has 48 divisors (see below), whose sum is σ = 56053340280. Its totient is φ = 8134723584.

The previous prime is 22031545111. The next prime is 22031545153. The reversal of 22031545120 is 2154513022.

It can be written as a sum of positive squares in 4 ways, for example, as 17643277584 + 4388267536 = 132828^2 + 66244^2 .

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, 5293965 + ... + 5298124.

Almost surely, 2^22031545120 is an apocalyptic number.

22031545120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22031545120 is an abundant number, since it is smaller than the sum of its proper divisors (34021795160).

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

22031545120 is a wasteful number, since it uses less digits than its factorization.

22031545120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10592117 (or 10592109 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 22031545120 in words is "twenty-two billion, thirty-one million, five hundred forty-five thousand, one hundred twenty".