520203045502120 has 64 divisors (see below), whose sum is σ = 1179406200456000. Its totient is φ = 206490262218240.

The previous prime is 520203045502033. The next prime is 520203045502159. The reversal of 520203045502120 is 21205540302025.

It is a super-2 number, since 2×520203045502120² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456290556 + ... + 457429204.

It is an arithmetic number, because the mean of its divisors is an integer number (18428221882125).

Almost surely, 2^{520203045502120} is an apocalyptic number.

It is an amenable number.

520203045502120 is an abundant number, since it is smaller than the sum of its proper divisors (659203154953880).

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

520203045502120 is a wasteful number, since it uses less digits than its factorization.

520203045502120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225978 (or 1225974 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 520203045502120 its reverse (21205540302025), we get a palindrome (541408585804145).

The spelling of 520203045502120 in words is "five hundred twenty trillion, two hundred three billion, forty-five million, five hundred two thousand, one hundred twenty".