20125464667504 has 40 divisors (see below), whose sum is σ = 44749987246080. Its totient is φ = 8589110432448.

The previous prime is 20125464667499. The next prime is 20125464667541. The reversal of 20125464667504 is 40576646452102.

20125464667504 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375897184 + ... + 375950719.

It is an arithmetic number, because the mean of its divisors is an integer number (1118749681152).

Almost surely, 2^{20125464667504} is an apocalyptic number.

It is an amenable number.

20125464667504 is an abundant number, since it is smaller than the sum of its proper divisors (24624522578576).

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

20125464667504 is a wasteful number, since it uses less digits than its factorization.

20125464667504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751848157 (or 751848151 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 52.

The spelling of 20125464667504 in words is "twenty trillion, one hundred twenty-five billion, four hundred sixty-four million, six hundred sixty-seven thousand, five hundred four".