20459757410 has 24 divisors (see below), whose sum is σ = 38498389020. Its totient is φ = 7828079072.

The previous prime is 20459757401. The next prime is 20459757421. The reversal of 20459757410 is 1475795402.

It can be written as a sum of positive squares in 2 ways, for example, as 20393839249 + 65918161 = 142807^2 + 8119^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1928525 + ... + 1939104.

Almost surely, 2^20459757410 is an apocalyptic number.

20459757410 is a deficient number, since it is larger than the sum of its proper divisors (18038631610).

20459757410 is a wasteful number, since it uses less digits than its factorization.

20459757410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3867682 (or 3867659 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 20459757410 in words is "twenty billion, four hundred fifty-nine million, seven hundred fifty-seven thousand, four hundred ten".