20653713796 has 27 divisors (see below), whose sum is σ = 36436572207. Its totient is φ = 10243933920.

The previous prime is 20653713733. The next prime is 20653713827. The reversal of 20653713796 is 69731735602.

The square root of 20653713796 is 143714.

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

It can be written as a sum of positive squares in 4 ways, for example, as 4862272900 + 15791440896 = 69730^2 + 125664^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 52024270 + ... + 52024666.

Almost surely, 2^20653713796 is an apocalyptic number.

20653713796 is the 143714-th square number.

It is an amenable number.

20653713796 is a deficient number, since it is larger than the sum of its proper divisors (15782858411).

20653713796 is an frugal number, since it uses more digits than its factorization.

20653713796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 49.

Multiplying 20653713796 by its sum of digits (49), we get a square (1012031976004 = 1005998²).

It can be divided in two parts, 20653 and 713796, that added together give a square (734449 = 857²).

The spelling of 20653713796 in words is "twenty billion, six hundred fifty-three million, seven hundred thirteen thousand, seven hundred ninety-six".