220320099 has 12 divisors (see below), whose sum is σ = 324245376. Its totient is φ = 144108432.

The previous prime is 220320083. The next prime is 220320103. The reversal of 220320099 is 990023022.

It is not a de Polignac number, because 220320099 - 2⁴ = 220320083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220320299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230467 + ... + 231420.

It is an arithmetic number, because the mean of its divisors is an integer number (27020448).

Almost surely, 2^220320099 is an apocalyptic number.

220320099 is a deficient number, since it is larger than the sum of its proper divisors (103925277).

220320099 is a wasteful number, since it uses less digits than its factorization.

220320099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461946 (or 461943 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 220320099 is about 14843.1835870880. The cubic root of 220320099 is about 603.9737162005.

The spelling of 220320099 in words is "two hundred twenty million, three hundred twenty thousand, ninety-nine".