20332222312091 has 2 divisors, whose sum is σ = 20332222312092. Its totient is φ = 20332222312090.

The previous prime is 20332222312033. The next prime is 20332222312133. The reversal of 20332222312091 is 19021322223302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20332222312091 - 2¹⁰ = 20332222311067 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20332222312001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166111156045 + 10166111156046.

It is an arithmetic number, because the mean of its divisors is an integer number (10166111156046).

Almost surely, 2^{20332222312091} is an apocalyptic number.

20332222312091 is a deficient number, since it is larger than the sum of its proper divisors (1).

20332222312091 is an equidigital number, since it uses as much as digits as its factorization.

20332222312091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 20332222312091 its reverse (19021322223302), we get a palindrome (39353544535393).

The spelling of 20332222312091 in words is "twenty trillion, three hundred thirty-two billion, two hundred twenty-two million, three hundred twelve thousand, ninety-one".