20000044 has 6 divisors (see below), whose sum is σ = 35000084. Its totient is φ = 10000020.

The previous prime is 20000033. The next prime is 20000047. The reversal of 20000044 is 44000002.

20000044 is a modest number, since divided by 44 gives 20 as remainder.

It is not an unprimeable number, because it can be changed into a prime (20000047) 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 as a sum of consecutive naturals, namely, 2500002 + ... + 2500009.

Almost surely, 2^20000044 is an apocalyptic number.

It is an amenable number.

20000044 is a deficient number, since it is larger than the sum of its proper divisors (15000040).

20000044 is a wasteful number, since it uses less digits than its factorization.

20000044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000015 (or 5000013 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 20000044 is about 4472.1408743464. The cubic root of 20000044 is about 271.4419607166.

Adding to 20000044 its reverse (44000002), we get a palindrome (64000046).

The spelling of 20000044 in words is "twenty million, forty-four", and thus it is an aban number.