20125355315232 has 48 divisors (see below), whose sum is σ = 52861688782560. Its totient is φ = 6704308142592.

The previous prime is 20125355315207. The next prime is 20125355315251. The reversal of 20125355315232 is 23251355352102.

It is a tau number, because it is divible by the number of its divisors (48).

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, 64587973 + ... + 64898820.

It is an arithmetic number, because the mean of its divisors is an integer number (1101285182970).

Almost surely, 2^{20125355315232} is an apocalyptic number.

It is an amenable number.

20125355315232 is an abundant number, since it is smaller than the sum of its proper divisors (32736333467328).

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

20125355315232 is a wasteful number, since it uses less digits than its factorization.

20125355315232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129488425 (or 129488417 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 20125355315232 in words is "twenty trillion, one hundred twenty-five billion, three hundred fifty-five million, three hundred fifteen thousand, two hundred thirty-two".