620460320 has 24 divisors (see below), whose sum is σ = 1465837884. Its totient is φ = 248184064.

The previous prime is 620460299. The next prime is 620460329. The reversal of 620460320 is 23064026.

620460320 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 2 ways, for example, as 579653776 + 40806544 = 24076^2 + 6388^2 .

It is not an unprimeable number, because it can be changed into a prime (620460329) 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, 1938779 + ... + 1939098.

Almost surely, 2^620460320 is an apocalyptic number.

It is an amenable number.

620460320 is an abundant number, since it is smaller than the sum of its proper divisors (845377564).

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

620460320 is a wasteful number, since it uses less digits than its factorization.

620460320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3877892 (or 3877884 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 620460320 is about 24909.0409289479. The cubic root of 620460320 is about 852.9128760898.

The spelling of 620460320 in words is "six hundred twenty million, four hundred sixty thousand, three hundred twenty".