20044472 has 32 divisors (see below), whose sum is σ = 43221600. Its totient is φ = 8536704.

The previous prime is 20044463. The next prime is 20044499. The reversal of 20044472 is 27444002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8654 + ... + 10722.

It is an arithmetic number, because the mean of its divisors is an integer number (1350675).

Almost surely, 2^20044472 is an apocalyptic number.

It is an amenable number.

20044472 is an abundant number, since it is smaller than the sum of its proper divisors (23177128).

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

20044472 is a wasteful number, since it uses less digits than its factorization.

20044472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255 (or 2251 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 20044472 is about 4477.1053148212. The cubic root of 20044472 is about 271.6428053532.

Adding to 20044472 its reverse (27444002), we get a palindrome (47488474).

The spelling of 20044472 in words is "twenty million, forty-four thousand, four hundred seventy-two".