220325342173 has 2 divisors, whose sum is σ = 220325342174. Its totient is φ = 220325342172.

The previous prime is 220325342161. The next prime is 220325342201. The reversal of 220325342173 is 371243523022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110950946649 + 109374395524 = 333093^2 + 330718^2 .

It is a cyclic number.

It is not a de Polignac number, because 220325342173 - 2³⁷ = 82886388701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220325312173) 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, 110162671086 + 110162671087.

It is an arithmetic number, because the mean of its divisors is an integer number (110162671087).

Almost surely, 2^220325342173 is an apocalyptic number.

It is an amenable number.

220325342173 is a deficient number, since it is larger than the sum of its proper divisors (1).

220325342173 is an equidigital number, since it uses as much as digits as its factorization.

220325342173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 34.

Adding to 220325342173 its reverse (371243523022), we get a palindrome (591568865195).

The spelling of 220325342173 in words is "two hundred twenty billion, three hundred twenty-five million, three hundred forty-two thousand, one hundred seventy-three".