520206423434312 has 8 divisors (see below), whose sum is σ = 975387043939350. Its totient is φ = 260103211717152.

The previous prime is 520206423434279. The next prime is 520206423434329. The reversal of 520206423434312 is 213434324602025.

It can be written as a sum of positive squares in only one way, i.e., 280467836986276 + 239738586448036 = 16747174^2 + 15483494^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×520206423434312² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 520206423434312.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32512901464637 + ... + 32512901464652.

Almost surely, 2^{520206423434312} is an apocalyptic number.

It is an amenable number.

520206423434312 is a deficient number, since it is larger than the sum of its proper divisors (455180620505038).

520206423434312 is a wasteful number, since it uses less digits than its factorization.

520206423434312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65025802929295 (or 65025802929291 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 41.

The spelling of 520206423434312 in words is "five hundred twenty trillion, two hundred six billion, four hundred twenty-three million, four hundred thirty-four thousand, three hundred twelve".