220143992882 has 18 divisors (see below), whose sum is σ = 362976717117. Its totient is φ = 100062133600.

The previous prime is 220143992881. The next prime is 220143992899. The reversal of 220143992882 is 288299341022.

It can be written as a sum of positive squares in 2 ways, for example, as 198284074681 + 21859918201 = 445291^2 + 147851^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=331771.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220143992882.

It is not an unprimeable number, because it can be changed into a prime (220143992881) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7283882 + ... + 7314042.

Almost surely, 2^220143992882 is an apocalyptic number.

220143992882 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220143992882 is a deficient number, since it is larger than the sum of its proper divisors (142832724235).

220143992882 is an frugal number, since it uses more digits than its factorization.

220143992882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60346 (or 30174 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

Multiplying 220143992882 by its sum of digits (50), we get a square (11007199644100 = 3317710²).

The spelling of 220143992882 in words is "two hundred twenty billion, one hundred forty-three million, nine hundred ninety-two thousand, eight hundred eighty-two".