20596205090 has 32 divisors (see below), whose sum is σ = 37574325360. Its totient is φ = 8127765504.

The previous prime is 20596205089. The next prime is 20596205131. The reversal of 20596205090 is 9050269502.

It can be written as a sum of positive squares in 8 ways, for example, as 14122232569 + 6473972521 = 118837^2 + 80461^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213422 + ... + 294518.

Almost surely, 2^20596205090 is an apocalyptic number.

20596205090 is a deficient number, since it is larger than the sum of its proper divisors (16978120270).

20596205090 is a wasteful number, since it uses less digits than its factorization.

20596205090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81446.

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 20596205090 in words is "twenty billion, five hundred ninety-six million, two hundred five thousand, ninety".