20963095684 has 12 divisors (see below), whose sum is σ = 36815972508. Its totient is φ = 10444246400.

The previous prime is 20963095667. The next prime is 20963095693. The reversal of 20963095684 is 48659036902.

It can be written as a sum of positive squares in 2 ways, for example, as 18003735684 + 2959360000 = 134178^2 + 54400^2 .

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, 9324097 + ... + 9326344.

It is an arithmetic number, because the mean of its divisors is an integer number (3067997709).

Almost surely, 2^20963095684 is an apocalyptic number.

It is an amenable number.

20963095684 is a deficient number, since it is larger than the sum of its proper divisors (15852876824).

20963095684 is a wasteful number, since it uses less digits than its factorization.

20963095684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18650726 (or 18650724 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 20963095684 in words is "twenty billion, nine hundred sixty-three million, ninety-five thousand, six hundred eighty-four".