520201522 has 32 divisors (see below), whose sum is σ = 816480000. Its totient is φ = 248371200.

The previous prime is 520201477. The next prime is 520201543. The reversal of 520201522 is 225102025.

It is a super-2 number, since 2×520201522² = 541219246982232968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 520201522.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1158354 + ... + 1158802.

It is an arithmetic number, because the mean of its divisors is an integer number (25515000).

Almost surely, 2^520201522 is an apocalyptic number.

520201522 is a deficient number, since it is larger than the sum of its proper divisors (296278478).

520201522 is a wasteful number, since it uses less digits than its factorization.

520201522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 520201522 is about 22807.9267361152. The cubic root of 520201522 is about 804.2490183907.

Adding to 520201522 its reverse (225102025), we get a palindrome (745303547).

The spelling of 520201522 in words is "five hundred twenty million, two hundred one thousand, five hundred twenty-two".