318668762020 has 48 divisors (see below), whose sum is σ = 771573253248. Its totient is φ = 108290972160.

The previous prime is 318668762017. The next prime is 318668762047. The reversal of 318668762020 is 20267866813.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10055886 + ... + 10087525.

It is an arithmetic number, because the mean of its divisors is an integer number (16074442776).

Almost surely, 2^318668762020 is an apocalyptic number.

It is an amenable number.

318668762020 is an abundant number, since it is smaller than the sum of its proper divisors (452904491228).

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

318668762020 is a wasteful number, since it uses less digits than its factorization.

318668762020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20143540 (or 20143538 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 318668762020 in words is "three hundred eighteen billion, six hundred sixty-eight million, seven hundred sixty-two thousand, twenty".