1330220303 has 4 divisors (see below), whose sum is σ = 1330517400. Its totient is φ = 1329923208.

The previous prime is 1330220299. The next prime is 1330220321. The reversal of 1330220303 is 3030220331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1330220303 - 2² = 1330220299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330220363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141728 + ... + 150821.

It is an arithmetic number, because the mean of its divisors is an integer number (332629350).

Almost surely, 2^1330220303 is an apocalyptic number.

1330220303 is a deficient number, since it is larger than the sum of its proper divisors (297097).

1330220303 is an equidigital number, since it uses as much as digits as its factorization.

1330220303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297096.

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

The square root of 1330220303 is about 36472.1853334839. The cubic root of 1330220303 is about 1099.7851654827.

Adding to 1330220303 its reverse (3030220331), we get a palindrome (4360440634).

The spelling of 1330220303 in words is "one billion, three hundred thirty million, two hundred twenty thousand, three hundred three".