20635631660232 has 96 divisors (see below), whose sum is σ = 59183903918880. Its totient is φ = 6473027059200.

The previous prime is 20635631660219. The next prime is 20635631660233. The reversal of 20635631660232 is 23206613653602.

20635631660232 is a `hidden beast` number, since 2 + 0 + 6 + 3 + 5 + 6 + 3 + 1 + 6 + 602 + 32 = 666.

It is not an unprimeable number, because it can be changed into a prime (20635631660233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7701607 + ... + 10029257.

It is an arithmetic number, because the mean of its divisors is an integer number (616498999155).

Almost surely, 2^{20635631660232} is an apocalyptic number.

It is an amenable number.

20635631660232 is an abundant number, since it is smaller than the sum of its proper divisors (38548272258648).

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

20635631660232 is a wasteful number, since it uses less digits than its factorization.

20635631660232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334923 (or 2334916 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 45.

The spelling of 20635631660232 in words is "twenty trillion, six hundred thirty-five billion, six hundred thirty-one million, six hundred sixty thousand, two hundred thirty-two".