20317852946 has 8 divisors (see below), whose sum is σ = 30482972364. Its totient is φ = 10156862160.

The previous prime is 20317852937. The next prime is 20317852967. The reversal of 20317852946 is 64925871302.

It can be written as a sum of positive squares in 2 ways, for example, as 18995730625 + 1322122321 = 137825^2 + 36361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20317852946.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019825 + ... + 1039556.

It is a 1-persistent number, because it is pandigital, but 2⋅20317852946 = 40635705892 is not.

Almost surely, 2^20317852946 is an apocalyptic number.

20317852946 is a deficient number, since it is larger than the sum of its proper divisors (10165119418).

20317852946 is a wasteful number, since it uses less digits than its factorization.

20317852946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064316.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 20317852946 in words is "twenty billion, three hundred seventeen million, eight hundred fifty-two thousand, nine hundred forty-six".