220042143 has 16 divisors (see below), whose sum is σ = 328339200. Its totient is φ = 145636920.

The previous prime is 220042133. The next prime is 220042153. The reversal of 220042143 is 341240022.

220042143 is a `hidden beast` number, since 2 + 200 + 421 + 43 = 666.

It is an interprime number because it is at equal distance from previous prime (220042133) and next prime (220042153).

It is not a de Polignac number, because 220042143 - 2⁹ = 220041631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220042103) 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, 25563 + ... + 33068.

It is an arithmetic number, because the mean of its divisors is an integer number (20521200).

Almost surely, 2^220042143 is an apocalyptic number.

220042143 is a deficient number, since it is larger than the sum of its proper divisors (108297057).

220042143 is a wasteful number, since it uses less digits than its factorization.

220042143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58779 (or 58773 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 220042143 is about 14833.8175464039. The cubic root of 220042143 is about 603.7196180846.

Adding to 220042143 its reverse (341240022), we get a palindrome (561282165).

The spelling of 220042143 in words is "two hundred twenty million, forty-two thousand, one hundred forty-three".