20125533355352 has 64 divisors (see below), whose sum is σ = 40555764443520. Its totient is φ = 9328490316288.

The previous prime is 20125533355289. The next prime is 20125533355397. The reversal of 20125533355352 is 25355333552102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89212283 + ... + 89437589.

It is an arithmetic number, because the mean of its divisors is an integer number (633683819430).

Almost surely, 2^{20125533355352} is an apocalyptic number.

It is an amenable number.

20125533355352 is an abundant number, since it is smaller than the sum of its proper divisors (20430231088168).

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

20125533355352 is a wasteful number, since it uses less digits than its factorization.

20125533355352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235200 (or 235196 counting only the distinct ones).

The product of its (nonzero) digits is 2025000, while the sum is 44.

The spelling of 20125533355352 in words is "twenty trillion, one hundred twenty-five billion, five hundred thirty-three million, three hundred fifty-five thousand, three hundred fifty-two".