220302312 has 16 divisors (see below), whose sum is σ = 550755840. Its totient is φ = 73434096.

The previous prime is 220302253. The next prime is 220302317. The reversal of 220302312 is 213203022.

It is a junction number, because it is equal to n+sod(n) for n = 220302291 and 220302300.

It is not an unprimeable number, because it can be changed into a prime (220302317) 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, 4589608 + ... + 4589655.

It is an arithmetic number, because the mean of its divisors is an integer number (34422240).

Almost surely, 2^220302312 is an apocalyptic number.

It is an amenable number.

220302312 is an abundant number, since it is smaller than the sum of its proper divisors (330453528).

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

220302312 is a wasteful number, since it uses less digits than its factorization.

220302312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9179272 (or 9179268 counting only the distinct ones).

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

The square root of 220302312 is about 14842.5844110788. The cubic root of 220302312 is about 603.9574623201.

Adding to 220302312 its reverse (213203022), we get a palindrome (433505334).

It can be divided in two parts, 22030 and 2312, that added together give a palindrome (24342).

The spelling of 220302312 in words is "two hundred twenty million, three hundred two thousand, three hundred twelve".