1320203330 has 16 divisors (see below), whose sum is σ = 2378221560. Its totient is φ = 527668992.

The previous prime is 1320203281. The next prime is 1320203359. The reversal of 1320203330 is 333020231.

It can be written as a sum of positive squares in 4 ways, for example, as 1295928001 + 24275329 = 35999^2 + 4927^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1320203299 and 1320203308.

It is an unprimeable number.

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, 37925 + ... + 63864.

Almost surely, 2^1320203330 is an apocalyptic number.

1320203330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320203330 is a deficient number, since it is larger than the sum of its proper divisors (1058018230).

1320203330 is a wasteful number, since it uses less digits than its factorization.

1320203330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103093.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 1320203330 is about 36334.6023784491. The cubic root of 1320203330 is about 1097.0176321259.

Adding to 1320203330 its reverse (333020231), we get a palindrome (1653223561).

The spelling of 1320203330 in words is "one billion, three hundred twenty million, two hundred three thousand, three hundred thirty".