20125460552664 has 32 divisors (see below), whose sum is σ = 50314018057920. Its totient is φ = 6708437960736.

The previous prime is 20125460552657. The next prime is 20125460552669. The reversal of 20125460552664 is 46625506452102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125460552669) 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, 385219 + ... + 6356045.

It is an arithmetic number, because the mean of its divisors is an integer number (1572313064310).

Almost surely, 2^{20125460552664} is an apocalyptic number.

20125460552664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20125460552664 is an abundant number, since it is smaller than the sum of its proper divisors (30188557505256).

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

20125460552664 is a wasteful number, since it uses less digits than its factorization.

20125460552664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111279 (or 6111275 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 20125460552664 in words is "twenty trillion, one hundred twenty-five billion, four hundred sixty million, five hundred fifty-two thousand, six hundred sixty-four".