20322462191 has 2 divisors, whose sum is σ = 20322462192. Its totient is φ = 20322462190.

The previous prime is 20322462151. The next prime is 20322462221. The reversal of 20322462191 is 19126422302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20322462191 - 2¹⁴ = 20322445807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20322462151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161231095 + 10161231096.

It is an arithmetic number, because the mean of its divisors is an integer number (10161231096).

Almost surely, 2^20322462191 is an apocalyptic number.

20322462191 is a deficient number, since it is larger than the sum of its proper divisors (1).

20322462191 is an equidigital number, since it uses as much as digits as its factorization.

20322462191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 20322462191 its reverse (19126422302), we get a palindrome (39448884493).

The spelling of 20322462191 in words is "twenty billion, three hundred twenty-two million, four hundred sixty-two thousand, one hundred ninety-one".