20368496 has 20 divisors (see below), whose sum is σ = 39534672. Its totient is φ = 10166016.

The previous prime is 20368487. The next prime is 20368549. The reversal of 20368496 is 69486302.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 14981 + ... + 16283.

Almost surely, 2^20368496 is an apocalyptic number.

20368496 is the 2606-th octagonal number.

It is an amenable number.

20368496 is a deficient number, since it is larger than the sum of its proper divisors (19166176).

20368496 is a wasteful number, since it uses less digits than its factorization.

20368496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288 (or 2282 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 20368496 is about 4513.1470173262. The cubic root of 20368496 is about 273.0987133350.

The spelling of 20368496 in words is "twenty million, three hundred sixty-eight thousand, four hundred ninety-six".