1320342244 has 36 divisors (see below), whose sum is σ = 2508940980. Its totient is φ = 607701120.

The previous prime is 1320342197. The next prime is 1320342259. The reversal of 1320342244 is 4422430231.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 109998144 + 1210344100 = 10488^2 + 34790^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260454 + ... + 265474.

It is an arithmetic number, because the mean of its divisors is an integer number (69692805).

Almost surely, 2^1320342244 is an apocalyptic number.

It is an amenable number.

1320342244 is a deficient number, since it is larger than the sum of its proper divisors (1188598736).

1320342244 is a wasteful number, since it uses less digits than its factorization.

1320342244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5440 (or 5425 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1320342244 is about 36336.5139219491. The cubic root of 1320342244 is about 1097.0561074524.

Adding to 1320342244 its reverse (4422430231), we get a palindrome (5742772475).

The spelling of 1320342244 in words is "one billion, three hundred twenty million, three hundred forty-two thousand, two hundred forty-four".