20324039 has 2 divisors, whose sum is σ = 20324040. Its totient is φ = 20324038.

The previous prime is 20324033. The next prime is 20324077. The reversal of 20324039 is 93042302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20324039 - 2⁴ = 20324023 is a prime.

It is a super-2 number, since 2×20324039² = 826133122547042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20324033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10162019 + 10162020.

It is an arithmetic number, because the mean of its divisors is an integer number (10162020).

Almost surely, 2^20324039 is an apocalyptic number.

20324039 is a deficient number, since it is larger than the sum of its proper divisors (1).

20324039 is an equidigital number, since it uses as much as digits as its factorization.

20324039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 20324039 is about 4508.2190496914. The cubic root of 20324039 is about 272.8998769644.

It can be divided in two parts, 203 and 24039, that added together give a palindrome (24242).

The spelling of 20324039 in words is "twenty million, three hundred twenty-four thousand, thirty-nine".