20444024 has 16 divisors (see below), whose sum is σ = 38873520. Its totient is φ = 10077760.

The previous prime is 20444023. The next prime is 20444027. The reversal of 20444024 is 42044402.

It is a junction number, because it is equal to n+sod(n) for n = 20443987 and 20444005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20444023) 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, 17429 + ... + 18564.

It is an arithmetic number, because the mean of its divisors is an integer number (2429595).

Almost surely, 2^20444024 is an apocalyptic number.

It is an amenable number.

20444024 is a deficient number, since it is larger than the sum of its proper divisors (18429496).

20444024 is a wasteful number, since it uses less digits than its factorization.

20444024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36070 (or 36066 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 20444024 is about 4521.5068284810. The cubic root of 20444024 is about 273.4358541985.

Adding to 20444024 its reverse (42044402), we get a palindrome (62488426).

The spelling of 20444024 in words is "twenty million, four hundred forty-four thousand, twenty-four".