20104944 has 40 divisors (see below), whose sum is σ = 54198912. Its totient is φ = 6409920.

The previous prime is 20104939. The next prime is 20104969. The reversal of 20104944 is 44940102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8002 + ... + 10209.

Almost surely, 2^20104944 is an apocalyptic number.

20104944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20104944 is an abundant number, since it is smaller than the sum of its proper divisors (34093968).

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

20104944 is a wasteful number, since it uses less digits than its factorization.

20104944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18245 (or 18239 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 20104944 is about 4483.8536996651. The cubic root of 20104944 is about 271.9157034051.

The spelling of 20104944 in words is "twenty million, one hundred four thousand, nine hundred forty-four".