620117186992 has 20 divisors (see below), whose sum is σ = 1210937502976. Its totient is φ = 307617186240.

The previous prime is 620117186989. The next prime is 620117186993. The reversal of 620117186992 is 299681711026.

It is not an unprimeable number, because it can be changed into a prime (620117186993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152585859 + ... + 152589922.

Almost surely, 2^620117186992 is an apocalyptic number.

It is an amenable number.

620117186992 is a deficient number, since it is larger than the sum of its proper divisors (590820315984).

620117186992 is a wasteful number, since it uses less digits than its factorization.

620117186992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305175916 (or 305175910 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 52.

The spelling of 620117186992 in words is "six hundred twenty billion, one hundred seventeen million, one hundred eighty-six thousand, nine hundred ninety-two".