20596404 has 12 divisors (see below), whose sum is σ = 48058304. Its totient is φ = 6865464.

The previous prime is 20596393. The next prime is 20596417. The reversal of 20596404 is 40469502.

It is a tau number, because it is divible by the number of its divisors (12).

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, 858172 + ... + 858195.

Almost surely, 2^20596404 is an apocalyptic number.

It is an amenable number.

20596404 is an abundant number, since it is smaller than the sum of its proper divisors (27461900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20596404 is a wasteful number, since it uses less digits than its factorization.

20596404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716374 (or 1716372 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 20596404 is about 4538.3261231428. The cubic root of 20596404 is about 274.1135267566.

The spelling of 20596404 in words is "twenty million, five hundred ninety-six thousand, four hundred four".