20522490522 has 32 divisors (see below), whose sum is σ = 42163084224. Its totient is φ = 6654556800.

The previous prime is 20522490517. The next prime is 20522490553. The reversal of 20522490522 is 22509422502.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2028697 + ... + 2038787.

It is an arithmetic number, because the mean of its divisors is an integer number (1317596382).

Almost surely, 2^20522490522 is an apocalyptic number.

20522490522 is an abundant number, since it is smaller than the sum of its proper divisors (21640593702).

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

20522490522 is a wasteful number, since it uses less digits than its factorization.

20522490522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19294.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 20522490522 in words is "twenty billion, five hundred twenty-two million, four hundred ninety thousand, five hundred twenty-two".