20144039 has 2 divisors, whose sum is σ = 20144040. Its totient is φ = 20144038.

The previous prime is 20144027. The next prime is 20144051. The reversal of 20144039 is 93044102.

It is a balanced prime because it is at equal distance from previous prime (20144027) and next prime (20144051).

It is a cyclic number.

It is not a de Polignac number, because 20144039 - 2⁴ = 20144023 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20144239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10072019 + 10072020.

It is an arithmetic number, because the mean of its divisors is an integer number (10072020).

Almost surely, 2^20144039 is an apocalyptic number.

20144039 is a deficient number, since it is larger than the sum of its proper divisors (1).

20144039 is an equidigital number, since it uses as much as digits as its factorization.

20144039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 20144039 is about 4488.2111135730. The cubic root of 20144039 is about 272.0918402023.

The spelling of 20144039 in words is "twenty million, one hundred forty-four thousand, thirty-nine".