220342343 has 4 divisors (see below), whose sum is σ = 237291768. Its totient is φ = 203392920.

The previous prime is 220342337. The next prime is 220342361. The reversal of 220342343 is 343243022.

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 220342343 - 2⁶ = 220342279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220342303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8474693 + ... + 8474718.

It is an arithmetic number, because the mean of its divisors is an integer number (59322942).

Almost surely, 2^220342343 is an apocalyptic number.

220342343 is a deficient number, since it is larger than the sum of its proper divisors (16949425).

220342343 is a wasteful number, since it uses less digits than its factorization.

220342343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16949424.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 220342343 is about 14843.9328683473. The cubic root of 220342343 is about 603.9940416865.

Adding to 220342343 its reverse (343243022), we get a palindrome (563585365).

The spelling of 220342343 in words is "two hundred twenty million, three hundred forty-two thousand, three hundred forty-three".