220142 has 8 divisors (see below), whose sum is σ = 355656. Its totient is φ = 101592.

The previous prime is 220141. The next prime is 220147. The reversal of 220142 is 241022.

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

It is a super-3 number, since 3×220142³ = 32005895133309864, which contains 333 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 220142.

It is not an unprimeable number, because it can be changed into a prime (220141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4208 + ... + 4259.

It is an arithmetic number, because the mean of its divisors is an integer number (44457).

2²²⁰¹⁴² is an apocalyptic number.

220142 is a deficient number, since it is larger than the sum of its proper divisors (135514).

220142 is a wasteful number, since it uses less digits than its factorization.

220142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8482.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 220142 is about 469.1929240728. The cubic root of 220142 is about 60.3810928643.

Adding to 220142 its reverse (241022), we get a palindrome (461164).

The spelling of 220142 in words is "two hundred twenty thousand, one hundred forty-two", and thus it is an iban number.