1320214433 has 2 divisors, whose sum is σ = 1320214434. Its totient is φ = 1320214432.

The previous prime is 1320214429. The next prime is 1320214447. The reversal of 1320214433 is 3344120231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1306316449 + 13897984 = 36143^2 + 3728^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320214433 - 2² = 1320214429 is a prime.

It is a super-2 number, since 2×1320214433² = 3485932298203022978, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1320214399 and 1320214408.

It is not a weakly prime, because it can be changed into another prime (1320214333) 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, 660107216 + 660107217.

It is an arithmetic number, because the mean of its divisors is an integer number (660107217).

Almost surely, 2^1320214433 is an apocalyptic number.

It is an amenable number.

1320214433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320214433 is an equidigital number, since it uses as much as digits as its factorization.

1320214433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1320214433 is about 36334.7551663693. The cubic root of 1320214433 is about 1097.0207074483.

Adding to 1320214433 its reverse (3344120231), we get a palindrome (4664334664).

The spelling of 1320214433 in words is "one billion, three hundred twenty million, two hundred fourteen thousand, four hundred thirty-three".