620273320 has 32 divisors (see below), whose sum is σ = 1409442120. Its totient is φ = 245651200.

The previous prime is 620273309. The next prime is 620273347. The reversal of 620273320 is 23372026.

620273320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 578979844 + 41293476 = 24062^2 + 6426^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72727 + ... + 80806.

Almost surely, 2^620273320 is an apocalyptic number.

It is an amenable number.

620273320 is an abundant number, since it is smaller than the sum of its proper divisors (789168800).

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

620273320 is a wasteful number, since it uses less digits than its factorization.

620273320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153645 (or 153641 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 620273320 is about 24905.2869889106. The cubic root of 620273320 is about 852.8271812550.

The spelling of 620273320 in words is "six hundred twenty million, two hundred seventy-three thousand, three hundred twenty".