1330001320 has 32 divisors (see below), whose sum is σ = 2994768000. Its totient is φ = 531597888.

The previous prime is 1330001303. The next prime is 1330001327. The reversal of 1330001320 is 231000331.

It is a super-2 number, since 2×1330001320² = 3537807022403484800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1330001320.

It is not an unprimeable number, because it can be changed into a prime (1330001327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44077 + ... + 67843.

It is an arithmetic number, because the mean of its divisors is an integer number (93586500).

Almost surely, 2^1330001320 is an apocalyptic number.

1330001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330001320 is an abundant number, since it is smaller than the sum of its proper divisors (1664766680).

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

1330001320 is a wasteful number, since it uses less digits than its factorization.

1330001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25177 (or 25173 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1330001320 is about 36469.1831550969. The cubic root of 1330001320 is about 1099.7248127048.

Adding to 1330001320 its reverse (231000331), we get a palindrome (1561001651).

The spelling of 1330001320 in words is "one billion, three hundred thirty million, one thousand, three hundred twenty".