520226632 has 32 divisors (see below), whose sum is σ = 988977600. Its totient is φ = 256521024.

The previous prime is 520226611. The next prime is 520226633. The reversal of 520226632 is 236622025.

It is a self number, because there is not a number n which added to its sum of digits gives 520226632.

It is not an unprimeable number, because it can be changed into a prime (520226633) by changing a digit.

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, 220483 + ... + 222829.

It is an arithmetic number, because the mean of its divisors is an integer number (30905550).

Almost surely, 2^520226632 is an apocalyptic number.

It is an amenable number.

520226632 is a deficient number, since it is larger than the sum of its proper divisors (468750968).

520226632 is a wasteful number, since it uses less digits than its factorization.

520226632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725 (or 2721 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 520226632 is about 22808.4771959901. The cubic root of 520226632 is about 804.2619584835.

Adding to 520226632 its reverse (236622025), we get a palindrome (756848657).

The spelling of 520226632 in words is "five hundred twenty million, two hundred twenty-six thousand, six hundred thirty-two".