20311332200239 has 2 divisors, whose sum is σ = 20311332200240. Its totient is φ = 20311332200238.

The previous prime is 20311332200189. The next prime is 20311332200279. The reversal of 20311332200239 is 93200223311302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20311332200239 - 2¹⁷ = 20311332069167 is a prime.

It is a super-3 number, since 3×20311332200239³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20311332200239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20311332200279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155666100119 + 10155666100120.

It is an arithmetic number, because the mean of its divisors is an integer number (10155666100120).

Almost surely, 2^{20311332200239} is an apocalyptic number.

20311332200239 is a deficient number, since it is larger than the sum of its proper divisors (1).

20311332200239 is an equidigital number, since it uses as much as digits as its factorization.

20311332200239 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 20311332200239 in words is "twenty trillion, three hundred eleven billion, three hundred thirty-two million, two hundred thousand, two hundred thirty-nine".