20041443 has 12 divisors (see below), whose sum is σ = 28987920. Its totient is φ = 13342896.

The previous prime is 20041433. The next prime is 20041471. The reversal of 20041443 is 34414002.

It is not a de Polignac number, because 20041443 - 2⁶ = 20041379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20041403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10873 + ... + 12581.

It is an arithmetic number, because the mean of its divisors is an integer number (2415660).

Almost surely, 2^20041443 is an apocalyptic number.

20041443 is a deficient number, since it is larger than the sum of its proper divisors (8946477).

20041443 is a wasteful number, since it uses less digits than its factorization.

20041443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018 (or 3015 counting only the distinct ones).

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

The square root of 20041443 is about 4476.7670254325. The cubic root of 20041443 is about 271.6291216552.

Adding to 20041443 its reverse (34414002), we get a palindrome (54455445).

The spelling of 20041443 in words is "twenty million, forty-one thousand, four hundred forty-three".