220033424 has 20 divisors (see below), whose sum is σ = 459108636. Its totient is φ = 101553792.

The previous prime is 220033421. The next prime is 220033447. The reversal of 220033424 is 424330022.

It can be written as a sum of positive squares in 2 ways, for example, as 115175824 + 104857600 = 10732^2 + 10240^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220033396 and 220033405.

It is not an unprimeable number, because it can be changed into a prime (220033421) 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, 528719 + ... + 529134.

Almost surely, 2^220033424 is an apocalyptic number.

It is an amenable number.

220033424 is an abundant number, since it is smaller than the sum of its proper divisors (239075212).

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

220033424 is a wasteful number, since it uses less digits than its factorization.

220033424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057874 (or 1057868 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 220033424 is about 14833.5236542097. The cubic root of 220033424 is about 603.7116440047.

Adding to 220033424 its reverse (424330022), we get a palindrome (644363446).

The spelling of 220033424 in words is "two hundred twenty million, thirty-three thousand, four hundred twenty-four".