620607701172 has 24 divisors (see below), whose sum is σ = 1451807229600. Its totient is φ = 206337434656.

The previous prime is 620607701099. The next prime is 620607701173. The reversal of 620607701172 is 271107706026.

It is a self number, because there is not a number n which added to its sum of digits gives 620607701172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620607701173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66470022 + ... + 66479357.

It is an arithmetic number, because the mean of its divisors is an integer number (60491967900).

Almost surely, 2^620607701172 is an apocalyptic number.

It is an amenable number.

620607701172 is an abundant number, since it is smaller than the sum of its proper divisors (831199528428).

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

620607701172 is a wasteful number, since it uses less digits than its factorization.

620607701172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132949775 (or 132949773 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 39.

The spelling of 620607701172 in words is "six hundred twenty billion, six hundred seven million, seven hundred one thousand, one hundred seventy-two".