20896039 has 2 divisors, whose sum is σ = 20896040. Its totient is φ = 20896038.

The previous prime is 20896013. The next prime is 20896069. The reversal of 20896039 is 93069802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20896039 - 2¹⁹ = 20371751 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20895989 and 20896007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20896069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10448019 + 10448020.

It is an arithmetic number, because the mean of its divisors is an integer number (10448020).

Almost surely, 2^20896039 is an apocalyptic number.

20896039 is a deficient number, since it is larger than the sum of its proper divisors (1).

20896039 is an equidigital number, since it uses as much as digits as its factorization.

20896039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 20896039 is about 4571.2185465147. The cubic root of 20896039 is about 275.4363936282.

It can be divided in two parts, 2089 and 6039, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 20896039 in words is "twenty million, eight hundred ninety-six thousand, thirty-nine".