20125464366051 has 64 divisors (see below), whose sum is σ = 32933250792960. Its totient is φ = 12045083719680.

The previous prime is 20125464366043. The next prime is 20125464366079. The reversal of 20125464366051 is 15066346452102.

20125464366051 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 5 + 4 + 6 + 4 + 36 + 605 + 1 = 666.

It is not a de Polignac number, because 20125464366051 - 2³ = 20125464366043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20125464365988 and 20125464366006.

It is not an unprimeable number, because it can be changed into a prime (20125464366031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12401400 + ... + 13930026.

It is an arithmetic number, because the mean of its divisors is an integer number (514582043640).

Almost surely, 2^{20125464366051} is an apocalyptic number.

20125464366051 is a deficient number, since it is larger than the sum of its proper divisors (12807786426909).

20125464366051 is a wasteful number, since it uses less digits than its factorization.

20125464366051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529201 (or 1529195 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 20125464366051 in words is "twenty trillion, one hundred twenty-five billion, four hundred sixty-four million, three hundred sixty-six thousand, fifty-one".