620245316 has 24 divisors (see below), whose sum is σ = 1113392280. Its totient is φ = 302227200.

The previous prime is 620245313. The next prime is 620245321. The reversal of 620245316 is 613542026.

It can be written as a sum of positive squares in 4 ways, for example, as 18524416 + 601720900 = 4304^2 + 24530^2 .

It is not an unprimeable number, because it can be changed into a prime (620245313) 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, 14936 + ... + 38256.

It is an arithmetic number, because the mean of its divisors is an integer number (46391345).

Almost surely, 2^620245316 is an apocalyptic number.

It is an amenable number.

620245316 is a deficient number, since it is larger than the sum of its proper divisors (493146964).

620245316 is a wasteful number, since it uses less digits than its factorization.

620245316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23495 (or 23493 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 620245316 is about 24904.7247726210. The cubic root of 620245316 is about 852.8143466271.

The spelling of 620245316 in words is "six hundred twenty million, two hundred forty-five thousand, three hundred sixteen".