220335630 has 32 divisors (see below), whose sum is σ = 551798784. Its totient is φ = 56201376.

The previous prime is 220335617. The next prime is 220335637. The reversal of 220335630 is 36533022.

It is a self number, because there is not a number n which added to its sum of digits gives 220335630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220335637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158974 + ... + 160353.

It is an arithmetic number, because the mean of its divisors is an integer number (17243712).

Almost surely, 2^220335630 is an apocalyptic number.

220335630 is an abundant number, since it is smaller than the sum of its proper divisors (331463154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220335630 is a wasteful number, since it uses less digits than its factorization.

220335630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319360.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 220335630 is about 14843.7067473054. The cubic root of 220335630 is about 603.9879078175.

Adding to 220335630 its reverse (36533022), we get a palindrome (256868652).

The spelling of 220335630 in words is "two hundred twenty million, three hundred thirty-five thousand, six hundred thirty".