20440144210112 has 224 divisors, whose sum is σ = 45823945480704. Its totient is φ = 8966481305600.

The previous prime is 20440144210099. The next prime is 20440144210133. The reversal of 20440144210112 is 21101244104402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1173565628 + ... + 1173583044.

Almost surely, 2^{20440144210112} is an apocalyptic number.

20440144210112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20440144210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22911972740352).

20440144210112 is an abundant number, since it is smaller than the sum of its proper divisors (25383801270592).

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

20440144210112 is a wasteful number, since it uses less digits than its factorization.

20440144210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18007 (or 17997 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 20440144210112 its reverse (21101244104402), we get a palindrome (41541388314514).

The spelling of 20440144210112 in words is "twenty trillion, four hundred forty billion, one hundred forty-four million, two hundred ten thousand, one hundred twelve".