220245315066331 has 2 divisors, whose sum is σ = 220245315066332. Its totient is φ = 220245315066330.

The previous prime is 220245315066323. The next prime is 220245315066349. The reversal of 220245315066331 is 133660513542022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220245315066331 - 2³ = 220245315066323 is a prime.

It is a super-2 number, since 2×220245315066331² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220245315066031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110122657533165 + 110122657533166.

It is an arithmetic number, because the mean of its divisors is an integer number (110122657533166).

Almost surely, 2^{220245315066331} is an apocalyptic number.

220245315066331 is a deficient number, since it is larger than the sum of its proper divisors (1).

220245315066331 is an equidigital number, since it uses as much as digits as its factorization.

220245315066331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 220245315066331 in words is "two hundred twenty trillion, two hundred forty-five billion, three hundred fifteen million, sixty-six thousand, three hundred thirty-one".