20044231 has 8 divisors (see below), whose sum is σ = 20539584. Its totient is φ = 19551840.

The previous prime is 20044187. The next prime is 20044237. The reversal of 20044231 is 13244002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20044231 - 2¹⁵ = 20011463 is a prime.

It is a super-2 number, since 2×20044231² = 803542392762722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20044237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19281 + ... + 20293.

It is an arithmetic number, because the mean of its divisors is an integer number (2567448).

Almost surely, 2^20044231 is an apocalyptic number.

20044231 is a deficient number, since it is larger than the sum of its proper divisors (495353).

20044231 is a wasteful number, since it uses less digits than its factorization.

20044231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20044231 is about 4477.0784000283. The cubic root of 20044231 is about 271.6417166710.

Adding to 20044231 its reverse (13244002), we get a palindrome (33288233).

The spelling of 20044231 in words is "twenty million, forty-four thousand, two hundred thirty-one".