20732886324972 has 72 divisors (see below), whose sum is σ = 52929636850272. Its totient is φ = 6842505196800.

The previous prime is 20732886324929. The next prime is 20732886325001. The reversal of 20732886324972 is 27942368823702.

20732886324972 is a `hidden beast` number, since 2 + 0 + 7 + 3 + 2 + 88 + 63 + 2 + 497 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4938904 + ... + 8115327.

Almost surely, 2^{20732886324972} is an apocalyptic number.

It is an amenable number.

20732886324972 is an abundant number, since it is smaller than the sum of its proper divisors (32196750525300).

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

20732886324972 is a wasteful number, since it uses less digits than its factorization.

20732886324972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13054679 (or 13054674 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 63.

The spelling of 20732886324972 in words is "twenty trillion, seven hundred thirty-two billion, eight hundred eighty-six million, three hundred twenty-four thousand, nine hundred seventy-two".