220343143 has 8 divisors (see below), whose sum is σ = 225960336. Its totient is φ = 214737600.

The previous prime is 220343129. The next prime is 220343153. The reversal of 220343143 is 341343022.

It is a happy number.

220343143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 220343143 - 2⁹ = 220342631 is a prime.

It is a super-2 number, since 2×220343143² = 97102201334236898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220343153) 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, 45373 + ... + 49993.

It is an arithmetic number, because the mean of its divisors is an integer number (28245042).

Almost surely, 2^220343143 is an apocalyptic number.

220343143 is a deficient number, since it is larger than the sum of its proper divisors (5617193).

220343143 is a wasteful number, since it uses less digits than its factorization.

220343143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5825.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 220343143 is about 14843.9598153592. The cubic root of 220343143 is about 603.9947726621.

Adding to 220343143 its reverse (341343022), we get a palindrome (561686165).

The spelling of 220343143 in words is "two hundred twenty million, three hundred forty-three thousand, one hundred forty-three".