520202274 has 16 divisors (see below), whose sum is σ = 1043407008. Its totient is φ = 172900352.

The previous prime is 520202257. The next prime is 520202297. The reversal of 520202274 is 472202025.

It is a super-2 number, since 2×520202274² = 541220811749542152, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122847 + ... + 127010.

It is an arithmetic number, because the mean of its divisors is an integer number (65212938).

Almost surely, 2^520202274 is an apocalyptic number.

520202274 is an abundant number, since it is smaller than the sum of its proper divisors (523204734).

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

520202274 is a wasteful number, since it uses less digits than its factorization.

520202274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250209.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 520202274 is about 22807.9432216059. The cubic root of 520202274 is about 804.2494059296.

Adding to 520202274 its reverse (472202025), we get a palindrome (992404299).

The spelling of 520202274 in words is "five hundred twenty million, two hundred two thousand, two hundred seventy-four".