220023203317 has 2 divisors, whose sum is σ = 220023203318. Its totient is φ = 220023203316.

The previous prime is 220023203311. The next prime is 220023203327. The reversal of 220023203317 is 713302320022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203806199601 + 16217003716 = 451449^2 + 127346^2 .

It is a cyclic number.

It is not a de Polignac number, because 220023203317 - 2⁷ = 220023203189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220023203291 and 220023203300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220023203311) 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, 110011601658 + 110011601659.

It is an arithmetic number, because the mean of its divisors is an integer number (110011601659).

Almost surely, 2^220023203317 is an apocalyptic number.

It is an amenable number.

220023203317 is a deficient number, since it is larger than the sum of its proper divisors (1).

220023203317 is an equidigital number, since it uses as much as digits as its factorization.

220023203317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 25.

Adding to 220023203317 its reverse (713302320022), we get a palindrome (933325523339).

The spelling of 220023203317 in words is "two hundred twenty billion, twenty-three million, two hundred three thousand, three hundred seventeen".