520224122404 has 12 divisors (see below), whose sum is σ = 1040448244864. Its totient is φ = 222953195304.

The previous prime is 520224122381. The next prime is 520224122423. The reversal of 520224122404 is 404221422025.

It is a happy number.

520224122404 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 18579432943 = 520224122404 / (5 + 2 + 0 + 2 + 2 + 4 + 1 + 2 + 2 + 4 + 0 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9289716444 + ... + 9289716499.

Almost surely, 2^520224122404 is an apocalyptic number.

It is an amenable number.

520224122404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

520224122404 is a wasteful number, since it uses less digits than its factorization.

520224122404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18579432954 (or 18579432952 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 520224122404 its reverse (404221422025), we get a palindrome (924445544429).

The spelling of 520224122404 in words is "five hundred twenty billion, two hundred twenty-four million, one hundred twenty-two thousand, four hundred four".