20883404 has 24 divisors (see below), whose sum is σ = 37558080. Its totient is φ = 10156496.

The previous prime is 20883403. The next prime is 20883407. The reversal of 20883404 is 40438802.

It is a super-2 number, since 2×20883404² = 872233125254432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20883403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24839 + ... + 25665.

It is an arithmetic number, because the mean of its divisors is an integer number (1564920).

Almost surely, 2^20883404 is an apocalyptic number.

It is an amenable number.

20883404 is a deficient number, since it is larger than the sum of its proper divisors (16674676).

20883404 is a wasteful number, since it uses less digits than its factorization.

20883404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 20883404 is about 4569.8363209200. The cubic root of 20883404 is about 275.3808673072.

The spelling of 20883404 in words is "twenty million, eight hundred eighty-three thousand, four hundred four".