220038243 has 4 divisors (see below), whose sum is σ = 293384328. Its totient is φ = 146692160.

The previous prime is 220038241. The next prime is 220038271. The reversal of 220038243 is 342830022.

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

It is a cyclic number.

It is not a de Polignac number, because 220038243 - 2¹ = 220038241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220038241) 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, 36673038 + ... + 36673043.

It is an arithmetic number, because the mean of its divisors is an integer number (73346082).

Almost surely, 2^220038243 is an apocalyptic number.

220038243 is a deficient number, since it is larger than the sum of its proper divisors (73346085).

220038243 is an equidigital number, since it uses as much as digits as its factorization.

220038243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73346084.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 220038243 is about 14833.6860894385. The cubic root of 220038243 is about 603.7160513127.

Adding to 220038243 its reverse (342830022), we get a palindrome (562868265).

The spelling of 220038243 in words is "two hundred twenty million, thirty-eight thousand, two hundred forty-three".