320220120099 has 16 divisors (see below), whose sum is σ = 465870772224. Its totient is φ = 194032778400.

The previous prime is 320220120041. The next prime is 320220120107. The reversal of 320220120099 is 990021022023.

It is a happy number.

It is not a de Polignac number, because 320220120099 - 2⁷ = 320220119971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320220120019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 837699 + ... + 1158524.

It is an arithmetic number, because the mean of its divisors is an integer number (29116923264).

Almost surely, 2^320220120099 is an apocalyptic number.

320220120099 is a deficient number, since it is larger than the sum of its proper divisors (145650652125).

320220120099 is a wasteful number, since it uses less digits than its factorization.

320220120099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001098.

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 320220120099 in words is "three hundred twenty billion, two hundred twenty million, one hundred twenty thousand, ninety-nine".