220220213 has 2 divisors, whose sum is σ = 220220214. Its totient is φ = 220220212.

The previous prime is 220220201. The next prime is 220220219. The reversal of 220220213 is 312022022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219691684 + 528529 = 14822^2 + 727^2 .

It is a cyclic number.

It is not a de Polignac number, because 220220213 - 2⁴ = 220220197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220220219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110106 + 110110107.

It is an arithmetic number, because the mean of its divisors is an integer number (110110107).

Almost surely, 2^220220213 is an apocalyptic number.

It is an amenable number.

220220213 is a deficient number, since it is larger than the sum of its proper divisors (1).

220220213 is an equidigital number, since it uses as much as digits as its factorization.

220220213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 220220213 is about 14839.8184961946. The cubic root of 220220213 is about 603.8824283604.

Adding to 220220213 its reverse (312022022), we get a palindrome (532242235).

The spelling of 220220213 in words is "two hundred twenty million, two hundred twenty thousand, two hundred thirteen".