315785090020 has 24 divisors (see below), whose sum is σ = 667919548800. Its totient is φ = 125405300832.

The previous prime is 315785090003. The next prime is 315785090039. The reversal of 315785090020 is 20090587513.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56793100 + ... + 56798659.

It is an arithmetic number, because the mean of its divisors is an integer number (27829981200).

Almost surely, 2^315785090020 is an apocalyptic number.

It is an amenable number.

315785090020 is an abundant number, since it is smaller than the sum of its proper divisors (352134458780).

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

315785090020 is a wasteful number, since it uses less digits than its factorization.

315785090020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113591907 (or 113591905 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 315785090020 in words is "three hundred fifteen billion, seven hundred eighty-five million, ninety thousand, twenty".