20971094596 has 27 divisors (see below), whose sum is σ = 37342367517. Its totient is φ = 10304964240.

The previous prime is 20971094593. The next prime is 20971094621. The reversal of 20971094596 is 69549017902.

The square root of 20971094596 is 144814.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 681940996 + 20289153600 = 26114^2 + 142440^2 .

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20971094591) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17666715 + ... + 17667901.

Almost surely, 2^20971094596 is an apocalyptic number.

20971094596 is the 144814-th square number.

It is an amenable number.

20971094596 is a deficient number, since it is larger than the sum of its proper divisors (16371272921).

20971094596 is an frugal number, since it uses more digits than its factorization.

20971094596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500 (or 1250 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 20971094596 in words is "twenty billion, nine hundred seventy-one million, ninety-four thousand, five hundred ninety-six".