20713042604416 has 64 divisors (see below), whose sum is σ = 43694049672000. Its totient is φ = 9746761916416.

The previous prime is 20713042604407. The next prime is 20713042604591. The reversal of 20713042604416 is 61440624031702.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

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, 39492825 + ... + 40013863.

It is an arithmetic number, because the mean of its divisors is an integer number (682719526125).

Almost surely, 2^{20713042604416} is an apocalyptic number.

It is an amenable number.

20713042604416 is an abundant number, since it is smaller than the sum of its proper divisors (22981007067584).

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

20713042604416 is a wasteful number, since it uses less digits than its factorization.

20713042604416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539339 (or 539327 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 20713042604416 in words is "twenty trillion, seven hundred thirteen billion, forty-two million, six hundred four thousand, four hundred sixteen".