620518516 has 12 divisors (see below), whose sum is σ = 1086572032. Its totient is φ = 310069368.

The previous prime is 620518501. The next prime is 620518519. The reversal of 620518516 is 615815026.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620518519) 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, 39990 + ... + 53293.

Almost surely, 2^620518516 is an apocalyptic number.

It is an amenable number.

620518516 is a deficient number, since it is larger than the sum of its proper divisors (466053516).

620518516 is a wasteful number, since it uses less digits than its factorization.

620518516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94950 (or 94948 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 620518516 is about 24910.2090717842. The cubic root of 620518516 is about 852.9395415425.

The spelling of 620518516 in words is "six hundred twenty million, five hundred eighteen thousand, five hundred sixteen".