220726968201 has 24 divisors (see below), whose sum is σ = 326792939616. Its totient is φ = 143486663040.

The previous prime is 220726968179. The next prime is 220726968221. The reversal of 220726968201 is 102869627022.

It is not a de Polignac number, because 220726968201 - 2⁹ = 220726967689 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220726968221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251415 + ... + 710396.

It is an arithmetic number, because the mean of its divisors is an integer number (13616372484).

Almost surely, 2^220726968201 is an apocalyptic number.

It is an amenable number.

220726968201 is a deficient number, since it is larger than the sum of its proper divisors (106065971415).

220726968201 is a wasteful number, since it uses less digits than its factorization.

220726968201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962453 (or 962450 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 220726968201 in words is "two hundred twenty billion, seven hundred twenty-six million, nine hundred sixty-eight thousand, two hundred one".