22520489968 has 20 divisors (see below), whose sum is σ = 46200123360. Its totient is φ = 10597877504.

The previous prime is 22520489939. The next prime is 22520489977. The reversal of 22520489968 is 86998402522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41397688 + ... + 41398231.

It is an arithmetic number, because the mean of its divisors is an integer number (2310006168).

Almost surely, 2^22520489968 is an apocalyptic number.

It is an amenable number.

22520489968 is an abundant number, since it is smaller than the sum of its proper divisors (23679633392).

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

22520489968 is a wasteful number, since it uses less digits than its factorization.

22520489968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82795944 (or 82795938 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 55.

It can be divided in two parts, 2252048 and 9968, that added together give a square (2262016 = 1504²).

The spelling of 22520489968 in words is "twenty-two billion, five hundred twenty million, four hundred eighty-nine thousand, nine hundred sixty-eight".