620941056 has 36 divisors (see below), whose sum is σ = 1652610792. Its totient is φ = 206980096.

The previous prime is 620941043. The next prime is 620941081. The reversal of 620941056 is 650149026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403491 + ... + 405026.

Almost surely, 2^620941056 is an apocalyptic number.

It is an amenable number.

620941056 is an abundant number, since it is smaller than the sum of its proper divisors (1031669736).

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

620941056 is an equidigital number, since it uses as much as digits as its factorization.

620941056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808536 (or 808522 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 620941056 is about 24918.6888900680. The cubic root of 620941056 is about 853.1330997205.

The spelling of 620941056 in words is "six hundred twenty million, nine hundred forty-one thousand, fifty-six".