20345440713204 has 96 divisors (see below), whose sum is σ = 51317984058880. Its totient is φ = 6252804367488.

The previous prime is 20345440713187. The next prime is 20345440713211. The reversal of 20345440713204 is 40231704454302.

It is a super-3 number, since 3×20345440713204³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1030174 + ... + 6461589.

Almost surely, 2^{20345440713204} is an apocalyptic number.

It is an amenable number.

20345440713204 is an abundant number, since it is smaller than the sum of its proper divisors (30972543345676).

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

20345440713204 is a wasteful number, since it uses less digits than its factorization.

20345440713204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7492109 (or 7492107 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 39.

The spelling of 20345440713204 in words is "twenty trillion, three hundred forty-five billion, four hundred forty million, seven hundred thirteen thousand, two hundred four".