220795313 has 2 divisors, whose sum is σ = 220795314. Its totient is φ = 220795312.

The previous prime is 220795273. The next prime is 220795327. The reversal of 220795313 is 313597022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190633249 + 30162064 = 13807^2 + 5492^2 .

It is a cyclic number.

It is not a de Polignac number, because 220795313 - 2¹⁰ = 220794289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220795313.

It is not a weakly prime, because it can be changed into another prime (220795343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110397656 + 110397657.

It is an arithmetic number, because the mean of its divisors is an integer number (110397657).

Almost surely, 2^220795313 is an apocalyptic number.

It is an amenable number.

220795313 is a deficient number, since it is larger than the sum of its proper divisors (1).

220795313 is an equidigital number, since it uses as much as digits as its factorization.

220795313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 220795313 is about 14859.1827837200. The cubic root of 220795313 is about 604.4076464319.

The spelling of 220795313 in words is "two hundred twenty million, seven hundred ninety-five thousand, three hundred thirteen".