20144031 has 8 divisors (see below), whose sum is σ = 28438704. Its totient is φ = 12639360.

The previous prime is 20144027. The next prime is 20144039. The reversal of 20144031 is 13044102.

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

It is not a de Polignac number, because 20144031 - 2² = 20144027 is a prime.

It is a super-2 number, since 2×20144031² = 811563969857922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20144031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197440 + ... + 197541.

It is an arithmetic number, because the mean of its divisors is an integer number (3554838).

Almost surely, 2^20144031 is an apocalyptic number.

20144031 is a deficient number, since it is larger than the sum of its proper divisors (8294673).

20144031 is a wasteful number, since it uses less digits than its factorization.

20144031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395001.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20144031 is about 4488.2102223492. The cubic root of 20144031 is about 272.0918041828.

Adding to 20144031 its reverse (13044102), we get a palindrome (33188133).

The spelling of 20144031 in words is "twenty million, one hundred forty-four thousand, thirty-one".