20760239 has 2 divisors, whose sum is σ = 20760240. Its totient is φ = 20760238.

The previous prime is 20760221. The next prime is 20760253. The reversal of 20760239 is 93206702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20760239 - 2¹⁶ = 20694703 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 (20760269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10380119 + 10380120.

It is an arithmetic number, because the mean of its divisors is an integer number (10380120).

Almost surely, 2^20760239 is an apocalyptic number.

20760239 is a deficient number, since it is larger than the sum of its proper divisors (1).

20760239 is an equidigital number, since it uses as much as digits as its factorization.

20760239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 20760239 is about 4556.3405272214. The cubic root of 20760239 is about 274.8384240931.

The spelling of 20760239 in words is "twenty million, seven hundred sixty thousand, two hundred thirty-nine".