20796056 has 8 divisors (see below), whose sum is σ = 38992620. Its totient is φ = 10398024.

The previous prime is 20796053. The next prime is 20796073. The reversal of 20796056 is 65069702.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20796053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1299746 + ... + 1299761.

Almost surely, 2^20796056 is an apocalyptic number.

It is an amenable number.

20796056 is a deficient number, since it is larger than the sum of its proper divisors (18196564).

20796056 is a wasteful number, since it uses less digits than its factorization.

20796056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599513 (or 2599509 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 20796056 is about 4560.2692902942. The cubic root of 20796056 is about 274.9963900353.

The spelling of 20796056 in words is "twenty million, seven hundred ninety-six thousand, fifty-six".