220200306 has 16 divisors (see below), whose sum is σ = 455587200. Its totient is φ = 70869008.

The previous prime is 220200293. The next prime is 220200313. The reversal of 220200306 is 603002022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632586 + ... + 632933.

It is an arithmetic number, because the mean of its divisors is an integer number (28474200).

Almost surely, 2^220200306 is an apocalyptic number.

220200306 is an abundant number, since it is smaller than the sum of its proper divisors (235386894).

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

220200306 is a wasteful number, since it uses less digits than its factorization.

220200306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265553.

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

The square root of 220200306 is about 14839.1477518084. The cubic root of 220200306 is about 603.8642316509.

Adding to 220200306 its reverse (603002022), we get a palindrome (823202328).

The spelling of 220200306 in words is "two hundred twenty million, two hundred thousand, three hundred six".