220321230 has 16 divisors (see below), whose sum is σ = 528771024. Its totient is φ = 58752320.

The previous prime is 220321229. The next prime is 220321237. The reversal of 220321230 is 32123022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220321237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3671991 + ... + 3672050.

It is an arithmetic number, because the mean of its divisors is an integer number (33048189).

Almost surely, 2^220321230 is an apocalyptic number.

220321230 is an abundant number, since it is smaller than the sum of its proper divisors (308449794).

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

220321230 is a wasteful number, since it uses less digits than its factorization.

220321230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7344051.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 220321230 is about 14843.2216853350. The cubic root of 220321230 is about 603.9747496863.

Adding to 220321230 its reverse (32123022), we get a palindrome (252444252).

The spelling of 220321230 in words is "two hundred twenty million, three hundred twenty-one thousand, two hundred thirty".