220140343 has 8 divisors (see below), whose sum is σ = 228633840. Its totient is φ = 211780800.

The previous prime is 220140317. The next prime is 220140353. The reversal of 220140343 is 343041022.

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 220140343 - 2⁵ = 220140311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220140343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220140353) 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, 30133 + ... + 36718.

It is an arithmetic number, because the mean of its divisors is an integer number (28579230).

Almost surely, 2^220140343 is an apocalyptic number.

220140343 is a deficient number, since it is larger than the sum of its proper divisors (8493497).

220140343 is an equidigital number, since it uses as much as digits as its factorization.

220140343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66977.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 220140343 is about 14837.1271814998. The cubic root of 220140343 is about 603.8094136856.

Adding to 220140343 its reverse (343041022), we get a palindrome (563181365).

The spelling of 220140343 in words is "two hundred twenty million, one hundred forty thousand, three hundred forty-three".