22513332620 has 24 divisors (see below), whose sum is σ = 47287928688. Its totient is φ = 9003441600.

The previous prime is 22513332557. The next prime is 22513332659. The reversal of 22513332620 is 2623331522.

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, 18566 + ... + 213005.

It is an arithmetic number, because the mean of its divisors is an integer number (1970330362).

Almost surely, 2^22513332620 is an apocalyptic number.

22513332620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22513332620 is an abundant number, since it is smaller than the sum of its proper divisors (24774596068).

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

22513332620 is a wasteful number, since it uses less digits than its factorization.

22513332620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236441 (or 236439 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The spelling of 22513332620 in words is "twenty-two billion, five hundred thirteen million, three hundred thirty-two thousand, six hundred twenty".