520218196 has 12 divisors (see below), whose sum is σ = 918734740. Its totient is φ = 257722560.

The previous prime is 520218133. The next prime is 520218197. The reversal of 520218196 is 691812025.

It can be written as a sum of positive squares in 2 ways, for example, as 204089796 + 316128400 = 14286^2 + 17780^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520218197) 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, 596145 + ... + 597016.

Almost surely, 2^520218196 is an apocalyptic number.

It is an amenable number.

520218196 is a deficient number, since it is larger than the sum of its proper divisors (398516544).

520218196 is a wasteful number, since it uses less digits than its factorization.

520218196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193274 (or 1193272 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 520218196 is about 22808.2922639991. The cubic root of 520218196 is about 804.2576111535.

The spelling of 520218196 in words is "five hundred twenty million, two hundred eighteen thousand, one hundred ninety-six".