1320668282 has 8 divisors (see below), whose sum is σ = 1987252596. Its totient is φ = 658250752.

The previous prime is 1320668267. The next prime is 1320668287. The reversal of 1320668282 is 2828660231.

It is a Cunningham number, because it is equal to 36341²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 1320668281 + 1 = 36341^2 + 1^2 .

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

It is a super-2 number, since 2×1320668282² = 3488329422161663048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1320668287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040903 + ... + 1042170.

Almost surely, 2^1320668282 is an apocalyptic number.

1320668282 is a deficient number, since it is larger than the sum of its proper divisors (666584314).

1320668282 is a wasteful number, since it uses less digits than its factorization.

1320668282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083392.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 1320668282 is about 36341.0000137586. Note that the first 4 decimals coincide. The cubic root of 1320668282 is about 1097.1464003401.

The spelling of 1320668282 in words is "one billion, three hundred twenty million, six hundred sixty-eight thousand, two hundred eighty-two".