20101232330239 has 2 divisors, whose sum is σ = 20101232330240. Its totient is φ = 20101232330238.

The previous prime is 20101232330189. The next prime is 20101232330269. The reversal of 20101232330239 is 93203323210102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20101232330239 - 2²⁵ = 20101198775807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20101232330239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20101232330269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050616165119 + 10050616165120.

It is an arithmetic number, because the mean of its divisors is an integer number (10050616165120).

Almost surely, 2^{20101232330239} is an apocalyptic number.

20101232330239 is a deficient number, since it is larger than the sum of its proper divisors (1).

20101232330239 is an equidigital number, since it uses as much as digits as its factorization.

20101232330239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 20101232330239 in words is "twenty trillion, one hundred one billion, two hundred thirty-two million, three hundred thirty thousand, two hundred thirty-nine".