20473404 has 48 divisors (see below), whose sum is σ = 56974848. Its totient is φ = 5594688.

The previous prime is 20473399. The next prime is 20473421. The reversal of 20473404 is 40437402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3367 + ... + 7230.

It is an arithmetic number, because the mean of its divisors is an integer number (1186976).

Almost surely, 2^20473404 is an apocalyptic number.

It is an amenable number.

20473404 is an abundant number, since it is smaller than the sum of its proper divisors (36501444).

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

20473404 is a wasteful number, since it uses less digits than its factorization.

20473404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10634 (or 10632 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 20473404 is about 4524.7545789799. The cubic root of 20473404 is about 273.5667759150.

The spelling of 20473404 in words is "twenty million, four hundred seventy-three thousand, four hundred four".