20332634524 has 24 divisors (see below), whose sum is σ = 37217422368. Its totient is φ = 9701186880.

The previous prime is 20332634449. The next prime is 20332634527. The reversal of 20332634524 is 42543623302.

It is a self number, because there is not a number n which added to its sum of digits gives 20332634524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332634527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223747 + ... + 301210.

It is an arithmetic number, because the mean of its divisors is an integer number (1550725932).

Almost surely, 2^20332634524 is an apocalyptic number.

It is an amenable number.

20332634524 is a deficient number, since it is larger than the sum of its proper divisors (16884787844).

20332634524 is a wasteful number, since it uses less digits than its factorization.

20332634524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525405 (or 525403 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 34.

The spelling of 20332634524 in words is "twenty billion, three hundred thirty-two million, six hundred thirty-four thousand, five hundred twenty-four".