20006044 has 12 divisors (see below), whose sum is σ = 36532944. Its totient is φ = 9568064.

The previous prime is 20006023. The next prime is 20006047. The reversal of 20006044 is 44060002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20006047) 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, 108637 + ... + 108820.

It is an arithmetic number, because the mean of its divisors is an integer number (3044412).

Almost surely, 2^20006044 is an apocalyptic number.

It is an amenable number.

20006044 is a deficient number, since it is larger than the sum of its proper divisors (16526900).

20006044 is a wasteful number, since it uses less digits than its factorization.

20006044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217484 (or 217482 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20006044 is about 4472.8116436980. The cubic root of 20006044 is about 271.4691021390.

Adding to 20006044 its reverse (44060002), we get a palindrome (64066046).

The spelling of 20006044 in words is "twenty million, six thousand, forty-four".