220220342 has 8 divisors (see below), whose sum is σ = 340986432. Its totient is φ = 106558200.

The previous prime is 220220327. The next prime is 220220359. The reversal of 220220342 is 243022022.

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

It is a self number, because there is not a number n which added to its sum of digits gives 220220342.

It is a congruent number.

It is an unprimeable number.

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, 1775909 + ... + 1776032.

It is an arithmetic number, because the mean of its divisors is an integer number (42623304).

Almost surely, 2^220220342 is an apocalyptic number.

220220342 is a deficient number, since it is larger than the sum of its proper divisors (120766090).

220220342 is a wasteful number, since it uses less digits than its factorization.

220220342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551974.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 220220342 is about 14839.8228426083. The cubic root of 220220342 is about 603.8825462739.

Adding to 220220342 its reverse (243022022), we get a palindrome (463242364).

The spelling of 220220342 in words is "two hundred twenty million, two hundred twenty thousand, three hundred forty-two".