220241306 has 8 divisors (see below), whose sum is σ = 330455700. Its totient is φ = 110089408.

The previous prime is 220241303. The next prime is 220241309. The reversal of 220241306 is 603142022.

It is an interprime number because it is at equal distance from previous prime (220241303) and next prime (220241309).

It can be written as a sum of positive squares in 2 ways, for example, as 217710025 + 2531281 = 14755^2 + 1591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (220241303) 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, 5501 + ... + 21696.

Almost surely, 2^220241306 is an apocalyptic number.

220241306 is a deficient number, since it is larger than the sum of its proper divisors (110214394).

220241306 is a wasteful number, since it uses less digits than its factorization.

220241306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31248.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 220241306 is about 14840.5291684630. The cubic root of 220241306 is about 603.9017079794.

Adding to 220241306 its reverse (603142022), we get a palindrome (823383328).

The spelling of 220241306 in words is "two hundred twenty million, two hundred forty-one thousand, three hundred six".