20960873768 has 16 divisors (see below), whose sum is σ = 39321153780. Its totient is φ = 10475232768.

The previous prime is 20960873753. The next prime is 20960873803. The reversal of 20960873768 is 86737806902.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15634501444 + 5326372324 = 125038^2 + 72982^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633371 + ... + 665642.

Almost surely, 2^20960873768 is an apocalyptic number.

It is an amenable number.

20960873768 is a deficient number, since it is larger than the sum of its proper divisors (18360280012).

20960873768 is a wasteful number, since it uses less digits than its factorization.

20960873768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301036 (or 1301032 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 20960873768 in words is "twenty billion, nine hundred sixty million, eight hundred seventy-three thousand, seven hundred sixty-eight".