1320201233 has 8 divisors (see below), whose sum is σ = 1429975848. Its totient is φ = 1211601024.

The previous prime is 1320201229. The next prime is 1320201257. The reversal of 1320201233 is 3321020231.

It can be written as a sum of positive squares in 4 ways, for example, as 97160449 + 1223040784 = 9857^2 + 34972^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320201233 - 2² = 1320201229 is a prime.

It is a super-2 number, since 2×1320201233² = 3485862591229440578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320201293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291260 + ... + 295757.

It is an arithmetic number, because the mean of its divisors is an integer number (178746981).

Almost surely, 2^1320201233 is an apocalyptic number.

1320201233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1320201233 is a deficient number, since it is larger than the sum of its proper divisors (109774615).

1320201233 is a wasteful number, since it uses less digits than its factorization.

1320201233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587203.

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

The square root of 1320201233 is about 36334.5735216474. The cubic root of 1320201233 is about 1097.0170512943.

Adding to 1320201233 its reverse (3321020231), we get a palindrome (4641221464).

The spelling of 1320201233 in words is "one billion, three hundred twenty million, two hundred one thousand, two hundred thirty-three".