220342443 has 16 divisors (see below), whose sum is σ = 296748576. Its totient is φ = 145422080.

The previous prime is 220342427. The next prime is 220342453. The reversal of 220342443 is 344243022.

It is a cyclic number.

It is not a de Polignac number, because 220342443 - 2⁴ = 220342427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220342453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267973 + ... + 268793.

It is an arithmetic number, because the mean of its divisors is an integer number (18546786).

Almost surely, 2^220342443 is an apocalyptic number.

220342443 is a deficient number, since it is larger than the sum of its proper divisors (76406133).

220342443 is a wasteful number, since it uses less digits than its factorization.

220342443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 220342443 is about 14843.9362367264. The cubic root of 220342443 is about 603.9941330585.

Adding to 220342443 its reverse (344243022), we get a palindrome (564585465).

The spelling of 220342443 in words is "two hundred twenty million, three hundred forty-two thousand, four hundred forty-three".