220726968271 has 2 divisors, whose sum is σ = 220726968272. Its totient is φ = 220726968270.

The previous prime is 220726968221. The next prime is 220726968281. The reversal of 220726968271 is 172869627022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220726968271 - 2¹³ = 220726960079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220726968221) 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, 110363484135 + 110363484136.

It is an arithmetic number, because the mean of its divisors is an integer number (110363484136).

Almost surely, 2^220726968271 is an apocalyptic number.

220726968271 is a deficient number, since it is larger than the sum of its proper divisors (1).

220726968271 is an equidigital number, since it uses as much as digits as its factorization.

220726968271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 220726968271 in words is "two hundred twenty billion, seven hundred twenty-six million, nine hundred sixty-eight thousand, two hundred seventy-one".