520505102 has 8 divisors (see below), whose sum is σ = 840815976. Its totient is φ = 240233112.

The previous prime is 520505087. The next prime is 520505107. The reversal of 520505102 is 201505025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×520505102² = 541851122416060808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520505107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10009688 + ... + 10009739.

It is an arithmetic number, because the mean of its divisors is an integer number (105101997).

Almost surely, 2^520505102 is an apocalyptic number.

520505102 is a deficient number, since it is larger than the sum of its proper divisors (320310874).

520505102 is a wasteful number, since it uses less digits than its factorization.

520505102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20019442.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 520505102 is about 22814.5809078317. The cubic root of 520505102 is about 804.4054362579.

The spelling of 520505102 in words is "five hundred twenty million, five hundred five thousand, one hundred two".