20044675 has 18 divisors (see below), whose sum is σ = 28915188. Its totient is φ = 13744080.

The previous prime is 20044667. The next prime is 20044679. The reversal of 20044675 is 57644002.

It is not a de Polignac number, because 20044675 - 2³ = 20044667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20044679) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 6957 + ... + 9406.

Almost surely, 2^20044675 is an apocalyptic number.

20044675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20044675 is a deficient number, since it is larger than the sum of its proper divisors (8870513).

20044675 is a wasteful number, since it uses less digits than its factorization.

20044675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16387 (or 16375 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 20044675 is about 4477.1279856622. The cubic root of 20044675 is about 271.6437223692.

Adding to 20044675 its reverse (57644002), we get a palindrome (77688677).

The spelling of 20044675 in words is "twenty million, forty-four thousand, six hundred seventy-five".