20044475 has 12 divisors (see below), whose sum is σ = 27115080. Its totient is φ = 14577600.

The previous prime is 20044463. The next prime is 20044499. The reversal of 20044475 is 57444002.

It is not a de Polignac number, because 20044475 - 2⁴ = 20044459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36170 + ... + 36719.

It is an arithmetic number, because the mean of its divisors is an integer number (2259590).

Almost surely, 2^20044475 is an apocalyptic number.

20044475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20044475 is a deficient number, since it is larger than the sum of its proper divisors (7070605).

20044475 is a wasteful number, since it uses less digits than its factorization.

20044475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72910 (or 72905 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 20044475 is about 4477.1056498591. The cubic root of 20044475 is about 271.6428189052.

Adding to 20044475 its reverse (57444002), we get a palindrome (77488477).

The spelling of 20044475 in words is "twenty million, forty-four thousand, four hundred seventy-five".