20085293456 has 10 divisors (see below), whose sum is σ = 38915256102. Its totient is φ = 10042646720.

The previous prime is 20085293429. The next prime is 20085293489. The reversal of 20085293456 is 65439258002.

It can be written as a sum of positive squares in only one way, i.e., 18539545600 + 1545747856 = 136160^2 + 39316^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627665405 + ... + 627665436.

Almost surely, 2^20085293456 is an apocalyptic number.

It is an amenable number.

20085293456 is a deficient number, since it is larger than the sum of its proper divisors (18829962646).

20085293456 is a wasteful number, since it uses less digits than its factorization.

20085293456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255330849 (or 1255330843 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 20085293456 in words is "twenty billion, eighty-five million, two hundred ninety-three thousand, four hundred fifty-six".