1320210233 has 2 divisors, whose sum is σ = 1320210234. Its totient is φ = 1320210232.

The previous prime is 1320210223. The next prime is 1320210313. The reversal of 1320210233 is 3320120231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 779973184 + 540237049 = 27928^2 + 23243^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320210233 - 2⁶ = 1320210169 is a prime.

It is a super-3 number, since 3×1320210233³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1320210223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660105116 + 660105117.

It is an arithmetic number, because the mean of its divisors is an integer number (660105117).

Almost surely, 2^1320210233 is an apocalyptic number.

It is an amenable number.

1320210233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320210233 is an equidigital number, since it uses as much as digits as its factorization.

1320210233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1320210233 is about 36334.6973704199. The cubic root of 1320210233 is about 1097.0195441292.

Adding to 1320210233 its reverse (3320120231), we get a palindrome (4640330464).

The spelling of 1320210233 in words is "one billion, three hundred twenty million, two hundred ten thousand, two hundred thirty-three".