220353320233 has 2 divisors, whose sum is σ = 220353320234. Its totient is φ = 220353320232.

The previous prime is 220353320191. The next prime is 220353320269. The reversal of 220353320233 is 332023353022.

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., 126403714089 + 93949606144 = 355533^2 + 306512^2 .

It is a cyclic number.

It is not a de Polignac number, because 220353320233 - 2³³ = 211763385641 is a prime.

It is not a weakly prime, because it can be changed into another prime (220353320273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110176660116 + 110176660117.

It is an arithmetic number, because the mean of its divisors is an integer number (110176660117).

Almost surely, 2^220353320233 is an apocalyptic number.

It is an amenable number.

220353320233 is a deficient number, since it is larger than the sum of its proper divisors (1).

220353320233 is an equidigital number, since it uses as much as digits as its factorization.

220353320233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 28.

Adding to 220353320233 its reverse (332023353022), we get a palindrome (552376673255).

The spelling of 220353320233 in words is "two hundred twenty billion, three hundred fifty-three million, three hundred twenty thousand, two hundred thirty-three".