520212670 has 16 divisors (see below), whose sum is σ = 936716400. Its totient is φ = 208010944.

The previous prime is 520212661. The next prime is 520212683. The reversal of 520212670 is 76212025.

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, 26949 + ... + 42031.

It is an arithmetic number, because the mean of its divisors is an integer number (58544775).

Almost surely, 2^520212670 is an apocalyptic number.

520212670 is a deficient number, since it is larger than the sum of its proper divisors (416503730).

520212670 is a wasteful number, since it uses less digits than its factorization.

520212670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18539.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 520212670 is about 22808.1711235250. The cubic root of 520212670 is about 804.2547634104.

Adding to 520212670 its reverse (76212025), we get a palindrome (596424695).

The spelling of 520212670 in words is "five hundred twenty million, two hundred twelve thousand, six hundred seventy".