1320675306 has 16 divisors (see below), whose sum is σ = 2691188064. Its totient is φ = 431918864.

The previous prime is 1320675271. The next prime is 1320675319. The reversal of 1320675306 is 6035760231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2076216 + ... + 2076851.

It is an arithmetic number, because the mean of its divisors is an integer number (168199254).

Almost surely, 2^1320675306 is an apocalyptic number.

1320675306 is an abundant number, since it is smaller than the sum of its proper divisors (1370512758).

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

1320675306 is a wasteful number, since it uses less digits than its factorization.

1320675306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153125.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 1320675306 is about 36341.0966537885. The cubic root of 1320675306 is about 1097.1483454015.

The spelling of 1320675306 in words is "one billion, three hundred twenty million, six hundred seventy-five thousand, three hundred six".