220321343 has 8 divisors (see below), whose sum is σ = 254489040. Its totient is φ = 188510080.

The previous prime is 220321337. The next prime is 220321357. The reversal of 220321343 is 343123022.

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

It is not a de Polignac number, because 220321343 - 2⁴ = 220321327 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 (220321303) 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, 588908 + ... + 589281.

It is an arithmetic number, because the mean of its divisors is an integer number (31811130).

Almost surely, 2^220321343 is an apocalyptic number.

220321343 is a deficient number, since it is larger than the sum of its proper divisors (34167697).

220321343 is a wasteful number, since it uses less digits than its factorization.

220321343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178217.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 220321343 is about 14843.2254917858. The cubic root of 220321343 is about 603.9748529434.

Adding to 220321343 its reverse (343123022), we get a palindrome (563444365).

The spelling of 220321343 in words is "two hundred twenty million, three hundred twenty-one thousand, three hundred forty-three".