20334643271 has 2 divisors, whose sum is σ = 20334643272. Its totient is φ = 20334643270.

The previous prime is 20334643253. The next prime is 20334643333. The reversal of 20334643271 is 17234643302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20334643271 - 2⁶ = 20334643207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20334643871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10167321635 + 10167321636.

It is an arithmetic number, because the mean of its divisors is an integer number (10167321636).

Almost surely, 2^20334643271 is an apocalyptic number.

20334643271 is a deficient number, since it is larger than the sum of its proper divisors (1).

20334643271 is an equidigital number, since it uses as much as digits as its factorization.

20334643271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 35.

The spelling of 20334643271 in words is "twenty billion, three hundred thirty-four million, six hundred forty-three thousand, two hundred seventy-one".