20323513271 has 2 divisors, whose sum is σ = 20323513272. Its totient is φ = 20323513270.

The previous prime is 20323513183. The next prime is 20323513303. The reversal of 20323513271 is 17231532302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20323513271 - 2²⁶ = 20256404407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20323515271) 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, 10161756635 + 10161756636.

It is an arithmetic number, because the mean of its divisors is an integer number (10161756636).

Almost surely, 2^20323513271 is an apocalyptic number.

20323513271 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323513271 is an equidigital number, since it uses as much as digits as its factorization.

20323513271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 29.

The spelling of 20323513271 in words is "twenty billion, three hundred twenty-three million, five hundred thirteen thousand, two hundred seventy-one".