20060443 has 4 divisors (see below), whose sum is σ = 21603568. Its totient is φ = 18517320.

The previous prime is 20060419. The next prime is 20060449. The reversal of 20060443 is 34406002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20060443 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 20060443.

It is not an unprimeable number, because it can be changed into a prime (20060449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771543 + ... + 771568.

It is an arithmetic number, because the mean of its divisors is an integer number (5400892).

Almost surely, 2^20060443 is an apocalyptic number.

20060443 is a deficient number, since it is larger than the sum of its proper divisors (1543125).

20060443 is a wasteful number, since it uses less digits than its factorization.

20060443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543124.

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

The square root of 20060443 is about 4478.8885898178. Note that the first 3 decimals coincide. The cubic root of 20060443 is about 271.7149325629.

Adding to 20060443 its reverse (34406002), we get a palindrome (54466445).

It can be divided in two parts, 20060 and 443, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 20060443 in words is "twenty million, sixty thousand, four hundred forty-three".