20001132271 has 2 divisors, whose sum is σ = 20001132272. Its totient is φ = 20001132270.

The previous prime is 20001132167. The next prime is 20001132299. The reversal of 20001132271 is 17223110002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20001132271 - 2¹¹ = 20001130223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20001138271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000566135 + 10000566136.

It is an arithmetic number, because the mean of its divisors is an integer number (10000566136).

Almost surely, 2^20001132271 is an apocalyptic number.

20001132271 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001132271 is an equidigital number, since it uses as much as digits as its factorization.

20001132271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 20001132271 its reverse (17223110002), we get a palindrome (37224242273).

The spelling of 20001132271 in words is "twenty billion, one million, one hundred thirty-two thousand, two hundred seventy-one".