20125526640312 has 32 divisors (see below), whose sum is σ = 50317490768400. Its totient is φ = 6708018991104.

The previous prime is 20125526640311. The next prime is 20125526640319. The reversal of 20125526640312 is 21304662552102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125526640311) 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, 30282487 + ... + 30939942.

Almost surely, 2^{20125526640312} is an apocalyptic number.

It is an amenable number.

20125526640312 is an abundant number, since it is smaller than the sum of its proper divisors (30191964128088).

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

20125526640312 is a wasteful number, since it uses less digits than its factorization.

20125526640312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61236135 (or 61236131 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 20125526640312 in words is "twenty trillion, one hundred twenty-five billion, five hundred twenty-six million, six hundred forty thousand, three hundred twelve".