1320370355 has 8 divisors (see below), whose sum is σ = 1623089664. Its totient is φ = 1030532800.

The previous prime is 1320370349. The next prime is 1320370367. The reversal of 1320370355 is 5530730231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1320370355 - 2¹⁶ = 1320304819 is a prime.

It is a Duffinian number.

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, 3220211 + ... + 3220620.

It is an arithmetic number, because the mean of its divisors is an integer number (202886208).

Almost surely, 2^1320370355 is an apocalyptic number.

1320370355 is a deficient number, since it is larger than the sum of its proper divisors (302719309).

1320370355 is an equidigital number, since it uses as much as digits as its factorization.

1320370355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6440877.

The product of its (nonzero) digits is 9450, while the sum is 29.

The square root of 1320370355 is about 36336.9007346526. The cubic root of 1320370355 is about 1097.0638930917.

The spelling of 1320370355 in words is "one billion, three hundred twenty million, three hundred seventy thousand, three hundred fifty-five".