520670630 has 16 divisors (see below), whose sum is σ = 937980000. Its totient is φ = 208096512.

The previous prime is 520670627. The next prime is 520670641. The reversal of 520670630 is 36076025.

520670630 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 520670593 and 520670602.

It is a congruent number.

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, 8354 + ... + 33333.

It is an arithmetic number, because the mean of its divisors is an integer number (58623750).

Almost surely, 2^520670630 is an apocalyptic number.

520670630 is a deficient number, since it is larger than the sum of its proper divisors (417309370).

520670630 is a wasteful number, since it uses less digits than its factorization.

520670630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42943.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 520670630 is about 22818.2082995138. The cubic root of 520670630 is about 804.4906979971.

The spelling of 520670630 in words is "five hundred twenty million, six hundred seventy thousand, six hundred thirty".