20244031 has 4 divisors (see below), whose sum is σ = 20254752. Its totient is φ = 20233312.

The previous prime is 20243989. The next prime is 20244041. The reversal of 20244031 is 13044202.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20244031 - 2¹⁵ = 20211263 is a prime.

It is a super-2 number, since 2×20244031² = 819641582257922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20243996 and 20244014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20244041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690 + ... + 6583.

It is an arithmetic number, because the mean of its divisors is an integer number (5063688).

Almost surely, 2^20244031 is an apocalyptic number.

20244031 is a deficient number, since it is larger than the sum of its proper divisors (10721).

20244031 is an equidigital number, since it uses as much as digits as its factorization.

20244031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10720.

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

The square root of 20244031 is about 4499.3367288968. The cubic root of 20244031 is about 272.5413050762.

Adding to 20244031 its reverse (13044202), we get a palindrome (33288233).

The spelling of 20244031 in words is "twenty million, two hundred forty-four thousand, thirty-one".