22020564426 has 24 divisors (see below), whose sum is σ = 51231517920. Its totient is φ = 6291589752.

The previous prime is 22020564367. The next prime is 22020564469. The reversal of 22020564426 is 62446502022.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37449646 + ... + 37450233.

It is an arithmetic number, because the mean of its divisors is an integer number (2134646580).

Almost surely, 2^22020564426 is an apocalyptic number.

22020564426 is an abundant number, since it is smaller than the sum of its proper divisors (29210953494).

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

22020564426 is a wasteful number, since it uses less digits than its factorization.

22020564426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74899898 (or 74899891 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The spelling of 22020564426 in words is "twenty-two billion, twenty million, five hundred sixty-four thousand, four hundred twenty-six".