512683173220 has 24 divisors (see below), whose sum is σ = 1092703840704. Its totient is φ = 202012473696.

The previous prime is 512683173203. The next prime is 512683173229. The reversal of 512683173220 is 22371386215.

It is a super-2 number, since 2×512683173220² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (512683173229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191298352 + ... + 191301031.

It is an arithmetic number, because the mean of its divisors is an integer number (45529326696).

Almost surely, 2^512683173220 is an apocalyptic number.

It is an amenable number.

512683173220 is an abundant number, since it is smaller than the sum of its proper divisors (580020667484).

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

512683173220 is a wasteful number, since it uses less digits than its factorization.

512683173220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382599459 (or 382599457 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 512683173220 in words is "five hundred twelve billion, six hundred eighty-three million, one hundred seventy-three thousand, two hundred twenty".