520011402 has 32 divisors (see below), whose sum is σ = 1107991872. Its totient is φ = 162134784.

The previous prime is 520011389. The next prime is 520011403. The reversal of 520011402 is 204110025.

It is not an unprimeable number, because it can be changed into a prime (520011403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 988 + ... + 32264.

It is an arithmetic number, because the mean of its divisors is an integer number (34624746).

Almost surely, 2^520011402 is an apocalyptic number.

520011402 is an abundant number, since it is smaller than the sum of its proper divisors (587980470).

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

520011402 is a wasteful number, since it uses less digits than its factorization.

520011402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31462.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 520011402 is about 22803.7585060007. The cubic root of 520011402 is about 804.1510291511.

Adding to 520011402 its reverse (204110025), we get a palindrome (724121427).

The spelling of 520011402 in words is "five hundred twenty million, eleven thousand, four hundred two".