1330420304 has 20 divisors (see below), whose sum is σ = 2660841600. Its totient is φ = 643751520.

The previous prime is 1330420297. The next prime is 1330420321. The reversal of 1330420304 is 4030240331.

1330420304 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340654 + ... + 1341645.

It is an arithmetic number, because the mean of its divisors is an integer number (133042080).

Almost surely, 2^1330420304 is an apocalyptic number.

It is an amenable number.

1330420304 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1330420304 is a wasteful number, since it uses less digits than its factorization.

1330420304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682338 (or 2682332 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1330420304 is about 36474.9270595570. The cubic root of 1330420304 is about 1099.8402809423.

Adding to 1330420304 its reverse (4030240331), we get a palindrome (5360660635).

The spelling of 1330420304 in words is "one billion, three hundred thirty million, four hundred twenty thousand, three hundred four".