20044432 has 10 divisors (see below), whose sum is σ = 38836118. Its totient is φ = 10022208.

The previous prime is 20044397. The next prime is 20044447. The reversal of 20044432 is 23444002.

It can be written as a sum of positive squares in only one way, i.e., 17842176 + 2202256 = 4224^2 + 1484^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626373 + ... + 626404.

Almost surely, 2^20044432 is an apocalyptic number.

It is an amenable number.

20044432 is a deficient number, since it is larger than the sum of its proper divisors (18791686).

20044432 is a wasteful number, since it uses less digits than its factorization.

20044432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252785 (or 1252779 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 20044432 is about 4477.1008476468. The cubic root of 20044432 is about 271.6426246597.

Adding to 20044432 its reverse (23444002), we get a palindrome (43488434).

The spelling of 20044432 in words is "twenty million, forty-four thousand, four hundred thirty-two".