20044943 has 8 divisors (see below), whose sum is σ = 21141120. Its totient is φ = 18952920.

The previous prime is 20044939. The next prime is 20044949. The reversal of 20044943 is 34944002.

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 20044943 - 2² = 20044939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20044949) 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, 17828 + ... + 18918.

It is an arithmetic number, because the mean of its divisors is an integer number (2642640).

Almost surely, 2^20044943 is an apocalyptic number.

20044943 is a deficient number, since it is larger than the sum of its proper divisors (1096177).

20044943 is a wasteful number, since it uses less digits than its factorization.

20044943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 20044943 is about 4477.1579154638. The cubic root of 20044943 is about 271.6449330015.

Adding to 20044943 its reverse (34944002), we get a palindrome (54988945).

The spelling of 20044943 in words is "twenty million, forty-four thousand, nine hundred forty-three".