1304333320 has 16 divisors (see below), whose sum is σ = 2934750060. Its totient is φ = 521733312.

The previous prime is 1304333309. The next prime is 1304333321. The reversal of 1304333320 is 233334031.

It can be written as a sum of positive squares in 2 ways, for example, as 1078071556 + 226261764 = 32834^2 + 15042^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1304333291 and 1304333300.

It is not an unprimeable number, because it can be changed into a prime (1304333321) 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, 16304127 + ... + 16304206.

Almost surely, 2^1304333320 is an apocalyptic number.

1304333320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304333320 is an abundant number, since it is smaller than the sum of its proper divisors (1630416740).

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

1304333320 is a wasteful number, since it uses less digits than its factorization.

1304333320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32608344 (or 32608340 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 1304333320 is about 36115.5550974923. Note that the first 3 decimals coincide. The cubic root of 1304333320 is about 1092.6041931881.

Adding to 1304333320 its reverse (233334031), we get a palindrome (1537667351).

The spelling of 1304333320 in words is "one billion, three hundred four million, three hundred thirty-three thousand, three hundred twenty".