20796896 has 24 divisors (see below), whose sum is σ = 41164200. Its totient is φ = 10342528.

The previous prime is 20796871. The next prime is 20796901. The reversal of 20796896 is 69869702.

It is a self number, because there is not a number n which added to its sum of digits gives 20796896.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4655 + ... + 7953.

It is an arithmetic number, because the mean of its divisors is an integer number (1715175).

Almost surely, 2^20796896 is an apocalyptic number.

It is an amenable number.

20796896 is a deficient number, since it is larger than the sum of its proper divisors (20367304).

20796896 is a wasteful number, since it uses less digits than its factorization.

20796896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506 (or 3498 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 20796896 is about 4560.3613891884. The cubic root of 20796896 is about 275.0000925620. Note that the first 4 decimals are identical.

The spelling of 20796896 in words is "twenty million, seven hundred ninety-six thousand, eight hundred ninety-six".