20000133271 has 2 divisors, whose sum is σ = 20000133272. Its totient is φ = 20000133270.

The previous prime is 20000133269. The next prime is 20000133319. The reversal of 20000133271 is 17233100002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20000133271 - 2¹ = 20000133269 is a prime.

It is a super-2 number, since 2×20000133271² (a number of 21 digits) contains 22 as substring.

Together with 20000133269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20000133071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000066635 + 10000066636.

It is an arithmetic number, because the mean of its divisors is an integer number (10000066636).

Almost surely, 2^20000133271 is an apocalyptic number.

20000133271 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000133271 is an equidigital number, since it uses as much as digits as its factorization.

20000133271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

Adding to 20000133271 its reverse (17233100002), we get a palindrome (37233233273).

The spelling of 20000133271 in words is "twenty billion, one hundred thirty-three thousand, two hundred seventy-one".