1330004320 has 24 divisors (see below), whose sum is σ = 3142135584. Its totient is φ = 532001664.

The previous prime is 1330004317. The next prime is 1330004321. The reversal of 1330004320 is 234000331.

It is a super-2 number, since 2×1330004320² = 3537822982437324800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1330004294 and 1330004303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330004321) 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, 4156104 + ... + 4156423.

It is an arithmetic number, because the mean of its divisors is an integer number (130922316).

Almost surely, 2^1330004320 is an apocalyptic number.

1330004320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330004320 is an abundant number, since it is smaller than the sum of its proper divisors (1812131264).

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

1330004320 is an equidigital number, since it uses as much as digits as its factorization.

1330004320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8312542 (or 8312534 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1330004320 is about 36469.2242856905. The cubic root of 1330004320 is about 1099.7256395641.

Adding to 1330004320 its reverse (234000331), we get a palindrome (1564004651).

The spelling of 1330004320 in words is "one billion, three hundred thirty million, four thousand, three hundred twenty".