22503020520 has 64 divisors (see below), whose sum is σ = 67519033920. Its totient is φ = 5999919104.

The previous prime is 22503020453. The next prime is 22503020539. The reversal of 22503020520 is 2502030522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1405279 + ... + 1421201.

It is an arithmetic number, because the mean of its divisors is an integer number (1054984905).

Almost surely, 2^22503020520 is an apocalyptic number.

22503020520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22503020520 is an abundant number, since it is smaller than the sum of its proper divisors (45016013400).

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

22503020520 is a wasteful number, since it uses less digits than its factorization.

22503020520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27714 (or 27710 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The spelling of 22503020520 in words is "twenty-two billion, five hundred three million, twenty thousand, five hundred twenty".