1330201305 has 32 divisors (see below), whose sum is σ = 2489270400. Its totient is φ = 672100416.

The previous prime is 1330201247. The next prime is 1330201321. The reversal of 1330201305 is 5031020331.

It is not a de Polignac number, because 1330201305 - 2⁶ = 1330201241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256734 + ... + 261863.

It is an arithmetic number, because the mean of its divisors is an integer number (77789700).

Almost surely, 2^1330201305 is an apocalyptic number.

1330201305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1330201305 is a deficient number, since it is larger than the sum of its proper divisors (1159069095).

1330201305 is a wasteful number, since it uses less digits than its factorization.

1330201305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518630 (or 518624 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 1330201305 is about 36471.9248875077. The cubic root of 1330201305 is about 1099.7799298041.

Adding to 1330201305 its reverse (5031020331), we get a palindrome (6361221636).

The spelling of 1330201305 in words is "one billion, three hundred thirty million, two hundred one thousand, three hundred five".