20125532522732 has 48 divisors (see below), whose sum is σ = 45628737719040. Its totient is φ = 7542709699392.

The previous prime is 20125532522729. The next prime is 20125532522737. The reversal of 20125532522732 is 23722523552102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20125532522732.

It is not an unprimeable number, because it can be changed into a prime (20125532522737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1454991098 + ... + 1455004929.

It is an arithmetic number, because the mean of its divisors is an integer number (950598702480).

Almost surely, 2^{20125532522732} is an apocalyptic number.

It is an amenable number.

20125532522732 is an abundant number, since it is smaller than the sum of its proper divisors (25503205196308).

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

20125532522732 is a wasteful number, since it uses less digits than its factorization.

20125532522732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909996070 (or 2909996068 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 41.

The spelling of 20125532522732 in words is "twenty trillion, one hundred twenty-five billion, five hundred thirty-two million, five hundred twenty-two thousand, seven hundred thirty-two".