220020011099 has 4 divisors (see below), whose sum is σ = 251451441264. Its totient is φ = 188588580936.

The previous prime is 220020011063. The next prime is 220020011161. The reversal of 220020011099 is 990110020022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-220020011099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220020011009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15715715072 + ... + 15715715085.

It is an arithmetic number, because the mean of its divisors is an integer number (62862860316).

Almost surely, 2^220020011099 is an apocalyptic number.

220020011099 is a deficient number, since it is larger than the sum of its proper divisors (31431430165).

220020011099 is an equidigital number, since it uses as much as digits as its factorization.

220020011099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31431430164.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 220020011099 in words is "two hundred twenty billion, twenty million, eleven thousand, ninety-nine".