20132320171 has 2 divisors, whose sum is σ = 20132320172. Its totient is φ = 20132320170.

The previous prime is 20132320133. The next prime is 20132320183. The reversal of 20132320171 is 17102323102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20132320171 - 2²⁹ = 19595449259 is a prime.

It is not a weakly prime, because it can be changed into another prime (20132326171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066160085 + 10066160086.

It is an arithmetic number, because the mean of its divisors is an integer number (10066160086).

Almost surely, 2^20132320171 is an apocalyptic number.

20132320171 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132320171 is an equidigital number, since it uses as much as digits as its factorization.

20132320171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 20132320171 its reverse (17102323102), we get a palindrome (37234643273).

The spelling of 20132320171 in words is "twenty billion, one hundred thirty-two million, three hundred twenty thousand, one hundred seventy-one".