20125464712772 has 12 divisors (see below), whose sum is σ = 35268547345920. Its totient is φ = 10048736899656.

The previous prime is 20125464712753. The next prime is 20125464712783. The reversal of 20125464712772 is 27721746452102.

It is a self number, because there is not a number n which added to its sum of digits gives 20125464712772.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3498860948 + ... + 3498866699.

It is an arithmetic number, because the mean of its divisors is an integer number (2939045612160).

Almost surely, 2^{20125464712772} is an apocalyptic number.

It is an amenable number.

20125464712772 is a deficient number, since it is larger than the sum of its proper divisors (15143082633148).

20125464712772 is a wasteful number, since it uses less digits than its factorization.

20125464712772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6997728370 (or 6997728368 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 50.

The spelling of 20125464712772 in words is "twenty trillion, one hundred twenty-five billion, four hundred sixty-four million, seven hundred twelve thousand, seven hundred seventy-two".