520105628 has 24 divisors (see below), whose sum is σ = 1042065024. Its totient is φ = 222505200.

The previous prime is 520105627. The next prime is 520105673. The reversal of 520105628 is 826501025.

It is a self number, because there is not a number n which added to its sum of digits gives 520105628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520105627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278 + ... + 32253.

It is an arithmetic number, because the mean of its divisors is an integer number (43419376).

Almost surely, 2^520105628 is an apocalyptic number.

It is an amenable number.

520105628 is an abundant number, since it is smaller than the sum of its proper divisors (521959396).

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

520105628 is a wasteful number, since it uses less digits than its factorization.

520105628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33113 (or 33111 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 520105628 is about 22805.8244314912. The cubic root of 520105628 is about 804.1995969059.

The spelling of 520105628 in words is "five hundred twenty million, one hundred five thousand, six hundred twenty-eight".