520202330432255 has 16 divisors (see below), whose sum is σ = 641116040726784. Its totient is φ = 404913098638080.

The previous prime is 520202330432249. The next prime is 520202330432311. The reversal of 520202330432255 is 552234033202025.

It is a de Polignac number, because none of the positive numbers 2^k-520202330432255 is a prime.

It is a super-2 number, since 2×520202330432255² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64642514 + ... + 72243056.

It is an arithmetic number, because the mean of its divisors is an integer number (40069752545424).

Almost surely, 2^{520202330432255} is an apocalyptic number.

520202330432255 is a deficient number, since it is larger than the sum of its proper divisors (120913710294529).

520202330432255 is a wasteful number, since it uses less digits than its factorization.

520202330432255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7970546.

The product of its (nonzero) digits is 432000, while the sum is 38.

The spelling of 520202330432255 in words is "five hundred twenty trillion, two hundred two billion, three hundred thirty million, four hundred thirty-two thousand, two hundred fifty-five".