220441433 has 4 divisors (see below), whose sum is σ = 220718820. Its totient is φ = 220164048.

The previous prime is 220441423. The next prime is 220441451. The reversal of 220441433 is 334144022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69839449 + 150601984 = 8357^2 + 12272^2 .

It is a cyclic number.

It is not a de Polignac number, because 220441433 - 2⁶ = 220441369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220441399 and 220441408.

It is not an unprimeable number, because it can be changed into a prime (220441423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137498 + ... + 139091.

It is an arithmetic number, because the mean of its divisors is an integer number (55179705).

Almost surely, 2^220441433 is an apocalyptic number.

It is an amenable number.

220441433 is a deficient number, since it is larger than the sum of its proper divisors (277387).

220441433 is an equidigital number, since it uses as much as digits as its factorization.

220441433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277386.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 220441433 is about 14847.2702204816. The cubic root of 220441433 is about 604.0845686960.

Adding to 220441433 its reverse (334144022), we get a palindrome (554585455).

The spelling of 220441433 in words is "two hundred twenty million, four hundred forty-one thousand, four hundred thirty-three".