20791014736 has 20 divisors (see below), whose sum is σ = 40673687392. Its totient is φ = 10294579296.

The previous prime is 20791014721. The next prime is 20791014737. The reversal of 20791014736 is 63741019702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20791014737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6306306 + ... + 6309601.

Almost surely, 2^20791014736 is an apocalyptic number.

It is an amenable number.

20791014736 is a deficient number, since it is larger than the sum of its proper divisors (19882672656).

20791014736 is a wasteful number, since it uses less digits than its factorization.

20791014736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12616018 (or 12616012 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 20791014736 in words is "twenty billion, seven hundred ninety-one million, fourteen thousand, seven hundred thirty-six".