22056813120 has 56 divisors (see below), whose sum is σ = 70030384704. Its totient is φ = 5881816576.

The previous prime is 22056813109. The next prime is 22056813167. The reversal of 22056813120 is 2131865022.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 11486964 + ... + 11488883.

It is an arithmetic number, because the mean of its divisors is an integer number (1250542584).

Almost surely, 2^22056813120 is an apocalyptic number.

22056813120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22056813120 is an abundant number, since it is smaller than the sum of its proper divisors (47973571584).

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

22056813120 is a wasteful number, since it uses less digits than its factorization.

22056813120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22975867 (or 22975857 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 22056813120 in words is "twenty-two billion, fifty-six million, eight hundred thirteen thousand, one hundred twenty".