220321332301673 has 2 divisors, whose sum is σ = 220321332301674. Its totient is φ = 220321332301672.

The previous prime is 220321332301661. The next prime is 220321332301727. The reversal of 220321332301673 is 376103233123022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166826853325609 + 53494478976064 = 12916147^2 + 7313992^2 .

It is a cyclic number.

It is not a de Polignac number, because 220321332301673 - 2⁴ = 220321332301657 is a prime.

It is not a weakly prime, because it can be changed into another prime (220321332301633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110160666150836 + 110160666150837.

It is an arithmetic number, because the mean of its divisors is an integer number (110160666150837).

Almost surely, 2^{220321332301673} is an apocalyptic number.

It is an amenable number.

220321332301673 is a deficient number, since it is larger than the sum of its proper divisors (1).

220321332301673 is an equidigital number, since it uses as much as digits as its factorization.

220321332301673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 38.

Adding to 220321332301673 its reverse (376103233123022), we get a palindrome (596424565424695).

The spelling of 220321332301673 in words is "two hundred twenty trillion, three hundred twenty-one billion, three hundred thirty-two million, three hundred one thousand, six hundred seventy-three".