220020009999 has 16 divisors (see below), whose sum is σ = 294353727360. Its totient is φ = 146183274720.

The previous prime is 220020009997. The next prime is 220020010031. The reversal of 220020009999 is 999900020022.

It is not a de Polignac number, because 220020009999 - 2¹ = 220020009997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220020009999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020009997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13457772 + ... + 13474110.

It is an arithmetic number, because the mean of its divisors is an integer number (18397107960).

Almost surely, 2^220020009999 is an apocalyptic number.

220020009999 is a deficient number, since it is larger than the sum of its proper divisors (74333717361).

220020009999 is a wasteful number, since it uses less digits than its factorization.

220020009999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31270.

The product of its (nonzero) digits is 52488, while the sum is 42.

The spelling of 220020009999 in words is "two hundred twenty billion, twenty million, nine thousand, nine hundred ninety-nine".