20044331412 has 144 divisors (see below), whose sum is σ = 55924444800. Its totient is φ = 5585341440.

The previous prime is 20044331407. The next prime is 20044331413. The reversal of 20044331412 is 21413344002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20044331413) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 6917548 + ... + 6920444.

It is an arithmetic number, because the mean of its divisors is an integer number (388364200).

Almost surely, 2^20044331412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20044331412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27962222400).

20044331412 is an abundant number, since it is smaller than the sum of its proper divisors (35880113388).

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

20044331412 is a wasteful number, since it uses less digits than its factorization.

20044331412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007 (or 2950 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20044331412 its reverse (21413344002), we get a palindrome (41457675414).

The spelling of 20044331412 in words is "twenty billion, forty-four million, three hundred thirty-one thousand, four hundred twelve".