20144402433244 has 24 divisors (see below), whose sum is σ = 35910663631920. Its totient is φ = 9884788594944.

The previous prime is 20144402433241. The next prime is 20144402433263. The reversal of 20144402433244 is 44233420444102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144402433241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71831079 + ... + 72110974.

It is an arithmetic number, because the mean of its divisors is an integer number (1496277651330).

Almost surely, 2^{20144402433244} is an apocalyptic number.

It is an amenable number.

20144402433244 is a deficient number, since it is larger than the sum of its proper divisors (15766261198676).

20144402433244 is a wasteful number, since it uses less digits than its factorization.

20144402433244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143942709 (or 143942707 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 20144402433244 its reverse (44233420444102), we get a palindrome (64377822877346).

The spelling of 20144402433244 in words is "twenty trillion, one hundred forty-four billion, four hundred two million, four hundred thirty-three thousand, two hundred forty-four".