220330433 has 8 divisors (see below), whose sum is σ = 226487016. Its totient is φ = 214211200.

The previous prime is 220330417. The next prime is 220330457. The reversal of 220330433 is 334033022.

220330433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5326864 + 215003569 = 2308^2 + 14663^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 220330433 - 2⁴ = 220330417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220330333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2843 + ... + 21183.

It is an arithmetic number, because the mean of its divisors is an integer number (28310877).

Almost surely, 2^220330433 is an apocalyptic number.

It is an amenable number.

220330433 is a deficient number, since it is larger than the sum of its proper divisors (6156583).

220330433 is a wasteful number, since it uses less digits than its factorization.

220330433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18675.

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 220330433 is about 14843.5316889209. The cubic root of 220330433 is about 603.9831590775.

Adding to 220330433 its reverse (334033022), we get a palindrome (554363455).

The spelling of 220330433 in words is "two hundred twenty million, three hundred thirty thousand, four hundred thirty-three".