220533612 has 24 divisors (see below), whose sum is σ = 554161776. Its totient is φ = 67856448.

The previous prime is 220533611. The next prime is 220533619. The reversal of 220533612 is 216335022.

It is not an unprimeable number, because it can be changed into a prime (220533611) 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 7 ways as a sum of consecutive naturals, for example, 706683 + ... + 706994.

It is an arithmetic number, because the mean of its divisors is an integer number (23090074).

Almost surely, 2^220533612 is an apocalyptic number.

It is an amenable number.

220533612 is an abundant number, since it is smaller than the sum of its proper divisors (333628164).

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

220533612 is a wasteful number, since it uses less digits than its factorization.

220533612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413697 (or 1413695 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 220533612 is about 14850.3741367011. The cubic root of 220533612 is about 604.1687575755.

Adding to 220533612 its reverse (216335022), we get a palindrome (436868634).

The spelling of 220533612 in words is "two hundred twenty million, five hundred thirty-three thousand, six hundred twelve".