220306252 has 6 divisors (see below), whose sum is σ = 385535948. Its totient is φ = 110153124.

The previous prime is 220306231. The next prime is 220306253. The reversal of 220306252 is 252603022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (220306253) 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 as a sum of consecutive naturals, namely, 27538278 + ... + 27538285.

Almost surely, 2^220306252 is an apocalyptic number.

It is an amenable number.

220306252 is a deficient number, since it is larger than the sum of its proper divisors (165229696).

220306252 is a wasteful number, since it uses less digits than its factorization.

220306252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55076567 (or 55076565 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 220306252 is about 14842.7171366970. The cubic root of 220306252 is about 603.9610627941.

Adding to 220306252 its reverse (252603022), we get a palindrome (472909274).

It can be divided in two parts, 22030 and 6252, that added together give a palindrome (28282).

The spelling of 220306252 in words is "two hundred twenty million, three hundred six thousand, two hundred fifty-two".