220923798313 has 2 divisors, whose sum is σ = 220923798314. Its totient is φ = 220923798312.

The previous prime is 220923798287. The next prime is 220923798331. The reversal of 220923798313 is 313897329022.

Together with next prime (220923798331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204337449369 + 16586348944 = 452037^2 + 128788^2 .

It is a cyclic number.

It is not a de Polignac number, because 220923798313 - 2⁵ = 220923798281 is a prime.

It is a super-2 number, since 2×220923798313² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220923798343) 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, 110461899156 + 110461899157.

It is an arithmetic number, because the mean of its divisors is an integer number (110461899157).

Almost surely, 2^220923798313 is an apocalyptic number.

It is an amenable number.

220923798313 is a deficient number, since it is larger than the sum of its proper divisors (1).

220923798313 is an equidigital number, since it uses as much as digits as its factorization.

220923798313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 220923798313 in words is "two hundred twenty billion, nine hundred twenty-three million, seven hundred ninety-eight thousand, three hundred thirteen".