20044004442424 has 32 divisors (see below), whose sum is σ = 37801011600000. Its totient is φ = 9963887419872.

The previous prime is 20044004442419. The next prime is 20044004442457. The reversal of 20044004442424 is 42424440044002.

It is a super-2 number, since 2×20044004442424² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20044004442424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8495814 + ... + 10595605.

It is an arithmetic number, because the mean of its divisors is an integer number (1181281612500).

Almost surely, 2^{20044004442424} is an apocalyptic number.

It is an amenable number.

20044004442424 is a deficient number, since it is larger than the sum of its proper divisors (17757007157576).

20044004442424 is a wasteful number, since it uses less digits than its factorization.

20044004442424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19092187 (or 19092183 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 20044004442424 its reverse (42424440044002), we get a palindrome (62468444486426).

The spelling of 20044004442424 in words is "twenty trillion, forty-four billion, four million, four hundred forty-two thousand, four hundred twenty-four".