220143142 has 8 divisors (see below), whose sum is σ = 332735832. Its totient is φ = 109231200.

The previous prime is 220143127. The next prime is 220143151. The reversal of 220143142 is 241341022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419859 + ... + 420382.

It is an arithmetic number, because the mean of its divisors is an integer number (41591979).

Almost surely, 2^220143142 is an apocalyptic number.

220143142 is a deficient number, since it is larger than the sum of its proper divisors (112592690).

220143142 is a wasteful number, since it uses less digits than its factorization.

220143142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840374.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 220143142 is about 14837.2215053897. The cubic root of 220143142 is about 603.8119727431.

Adding to 220143142 its reverse (241341022), we get a palindrome (461484164).

The spelling of 220143142 in words is "two hundred twenty million, one hundred forty-three thousand, one hundred forty-two".