20085575780896 has 12 divisors (see below), whose sum is σ = 39543477318702. Its totient is φ = 10042787890432.

The previous prime is 20085575780827. The next prime is 20085575780909. The reversal of 20085575780896 is 69808757558002.

It can be written as a sum of positive squares in only one way, i.e., 19723369210000 + 362206570896 = 4441100^2 + 601836^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313837121545 + ... + 313837121608.

Almost surely, 2^{20085575780896} is an apocalyptic number.

It is an amenable number.

20085575780896 is a deficient number, since it is larger than the sum of its proper divisors (19457901537806).

20085575780896 is an equidigital number, since it uses as much as digits as its factorization.

20085575780896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627674243163 (or 627674243155 counting only the distinct ones).

The product of its (nonzero) digits is 338688000, while the sum is 70.

The spelling of 20085575780896 in words is "twenty trillion, eighty-five billion, five hundred seventy-five million, seven hundred eighty thousand, eight hundred ninety-six".