220245213313 has 2 divisors, whose sum is σ = 220245213314. Its totient is φ = 220245213312.

The previous prime is 220245213203. The next prime is 220245213319. The reversal of 220245213313 is 313312542022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139743635329 + 80501577984 = 373823^2 + 283728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220245213313 is a prime.

It is not a weakly prime, because it can be changed into another prime (220245213319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110122606656 + 110122606657.

It is an arithmetic number, because the mean of its divisors is an integer number (110122606657).

Almost surely, 2^220245213313 is an apocalyptic number.

It is an amenable number.

220245213313 is a deficient number, since it is larger than the sum of its proper divisors (1).

220245213313 is an equidigital number, since it uses as much as digits as its factorization.

220245213313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 220245213313 its reverse (313312542022), we get a palindrome (533557755335).

The spelling of 220245213313 in words is "two hundred twenty billion, two hundred forty-five million, two hundred thirteen thousand, three hundred thirteen".