20143343 has 8 divisors (see below), whose sum is σ = 22149120. Its totient is φ = 18166680.

The previous prime is 20143337. The next prime is 20143379. The reversal of 20143343 is 34334102.

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 20143343 - 2⁴ = 20143327 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20143043) 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, 5813 + ... + 8606.

It is an arithmetic number, because the mean of its divisors is an integer number (2768640).

Almost surely, 2^20143343 is an apocalyptic number.

20143343 is a deficient number, since it is larger than the sum of its proper divisors (2005777).

20143343 is a wasteful number, since it uses less digits than its factorization.

20143343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14557.

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

The square root of 20143343 is about 4488.1335764436. The cubic root of 20143343 is about 272.0887064696.

Adding to 20143343 its reverse (34334102), we get a palindrome (54477445).

The spelling of 20143343 in words is "twenty million, one hundred forty-three thousand, three hundred forty-three".