20441043 has 24 divisors (see below), whose sum is σ = 35213568. Its totient is φ = 11171952.

The previous prime is 20441033. The next prime is 20441051. The reversal of 20441043 is 34014402.

It is not a de Polignac number, because 20441043 - 2¹² = 20436947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20441023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5605 + ... + 8502.

It is an arithmetic number, because the mean of its divisors is an integer number (1467232).

Almost surely, 2^20441043 is an apocalyptic number.

20441043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20441043 is a deficient number, since it is larger than the sum of its proper divisors (14772525).

20441043 is a wasteful number, since it uses less digits than its factorization.

20441043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14143 (or 14140 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 20441043 is about 4521.1771697203. The cubic root of 20441043 is about 273.4225634051.

Adding to 20441043 its reverse (34014402), we get a palindrome (54455445).

The spelling of 20441043 in words is "twenty million, four hundred forty-one thousand, forty-three".