20444412 has 24 divisors (see below), whose sum is σ = 48128976. Its totient is φ = 6754048.

The previous prime is 20444381. The next prime is 20444429. The reversal of 20444412 is 21444402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6183 + ... + 8894.

It is an arithmetic number, because the mean of its divisors is an integer number (2005374).

Almost surely, 2^20444412 is an apocalyptic number.

It is an amenable number.

20444412 is an abundant number, since it is smaller than the sum of its proper divisors (27684564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20444412 is a wasteful number, since it uses less digits than its factorization.

20444412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15197 (or 15195 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 20444412 is about 4521.5497343278. The cubic root of 20444412 is about 273.4375840022.

Adding to 20444412 its reverse (21444402), we get a palindrome (41888814).

The spelling of 20444412 in words is "twenty million, four hundred forty-four thousand, four hundred twelve".