220019899 has 16 divisors (see below), whose sum is σ = 260348256. Its totient is φ = 183654400.

The previous prime is 220019887. The next prime is 220019911. The reversal of 220019899 is 998910022.

It is an interprime number because it is at equal distance from previous prime (220019887) and next prime (220019911).

It is not a de Polignac number, because 220019899 - 2¹¹ = 220017851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220019809) 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, 6682 + ... + 22015.

It is an arithmetic number, because the mean of its divisors is an integer number (16271766).

Almost surely, 2^220019899 is an apocalyptic number.

220019899 is a deficient number, since it is larger than the sum of its proper divisors (40328357).

220019899 is a wasteful number, since it uses less digits than its factorization.

220019899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28766.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 220019899 is about 14833.0677541768. The cubic root of 220019899 is about 603.6992741154.

The spelling of 220019899 in words is "two hundred twenty million, nineteen thousand, eight hundred ninety-nine".