20013725755734 has 16 divisors (see below), whose sum is σ = 40027501648560. Its totient is φ = 6671233562400.

The previous prime is 20013725755711. The next prime is 20013725755757. The reversal of 20013725755734 is 43755752731002.

It is an interprime number because it is at equal distance from previous prime (20013725755711) and next prime (20013725755757).

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, 4897812 + ... + 8001000.

It is an arithmetic number, because the mean of its divisors is an integer number (2501718853035).

Almost surely, 2^{20013725755734} is an apocalyptic number.

20013725755734 is an abundant number, since it is smaller than the sum of its proper divisors (20013775892826).

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

20013725755734 is a wasteful number, since it uses less digits than its factorization.

20013725755734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4178095.

The product of its (nonzero) digits is 6174000, while the sum is 51.

The spelling of 20013725755734 in words is "twenty trillion, thirteen billion, seven hundred twenty-five million, seven hundred fifty-five thousand, seven hundred thirty-four".