220142330 has 16 divisors (see below), whose sum is σ = 398005920. Its totient is φ = 87668112.

The previous prime is 220142297. The next prime is 220142339. The reversal of 220142330 is 33241022.

It is a junction number, because it is equal to n+sod(n) for n = 220142299 and 220142308.

It is not an unprimeable number, because it can be changed into a prime (220142339) 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 7 ways as a sum of consecutive naturals, for example, 46220 + ... + 50759.

It is an arithmetic number, because the mean of its divisors is an integer number (24875370).

Almost surely, 2^220142330 is an apocalyptic number.

220142330 is a deficient number, since it is larger than the sum of its proper divisors (177863590).

220142330 is a wasteful number, since it uses less digits than its factorization.

220142330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97213.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 220142330 is about 14837.1941417507. The cubic root of 220142330 is about 603.8112303535.

Adding to 220142330 its reverse (33241022), we get a palindrome (253383352).

The spelling of 220142330 in words is "two hundred twenty million, one hundred forty-two thousand, three hundred thirty".