520204472000 has 56 divisors (see below), whose sum is σ = 1288286394720. Its totient is φ = 208081785600.

The previous prime is 520204471967. The next prime is 520204472023. The reversal of 520204472000 is 274402025.

It is a super-2 number, since 2×520204472000² (a number of 24 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 32504780 + ... + 32520779.

Almost surely, 2^520204472000 is an apocalyptic number.

520204472000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

520204472000 is an abundant number, since it is smaller than the sum of its proper divisors (768081922720).

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

520204472000 is an equidigital number, since it uses as much as digits as its factorization.

520204472000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65025586 (or 65025566 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

Adding to 520204472000 its reverse (274402025), we get a palindrome (520478874025).

The spelling of 520204472000 in words is "five hundred twenty billion, two hundred four million, four hundred seventy-two thousand".