20160343 has 4 divisors (see below), whose sum is σ = 23040400. Its totient is φ = 17280288.

The previous prime is 20160341. The next prime is 20160391. The reversal of 20160343 is 34306102.

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 20160343 - 2¹ = 20160341 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 20160343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20160341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1440018 + ... + 1440031.

It is an arithmetic number, because the mean of its divisors is an integer number (5760100).

Almost surely, 2^20160343 is an apocalyptic number.

20160343 is a deficient number, since it is larger than the sum of its proper divisors (2880057).

20160343 is an equidigital number, since it uses as much as digits as its factorization.

20160343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880056.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 20160343 is about 4490.0270600521. The cubic root of 20160343 is about 272.1652281503.

Adding to 20160343 its reverse (34306102), we get a palindrome (54466445).

It can be divided in two parts, 20160 and 343, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 20160343 in words is "twenty million, one hundred sixty thousand, three hundred forty-three".