20044012 has 12 divisors (see below), whose sum is σ = 36923320. Its totient is φ = 9494496.

The previous prime is 20044009. The next prime is 20044027. The reversal of 20044012 is 21044002.

It is a super-2 number, since 2×20044012² = 803524834112288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20043983 and 20044001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131793 + ... + 131944.

Almost surely, 2^20044012 is an apocalyptic number.

It is an amenable number.

20044012 is a deficient number, since it is larger than the sum of its proper divisors (16879308).

20044012 is a wasteful number, since it uses less digits than its factorization.

20044012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263760 (or 263758 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 20044012 is about 4477.0539420472. The cubic root of 20044012 is about 271.6407273630.

Adding to 20044012 its reverse (21044002), we get a palindrome (41088014).

The spelling of 20044012 in words is "twenty million, forty-four thousand, twelve".