20143344441 has 24 divisors (see below), whose sum is σ = 29692111680. Its totient is φ = 12137482720.

The previous prime is 20143344371. The next prime is 20143344493. The reversal of 20143344441 is 14444334102.

It is not a de Polignac number, because 20143344441 - 2¹⁰ = 20143343417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20143344399 and 20143344408.

It is not an unprimeable number, because it can be changed into a prime (20143344241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97581 + ... + 223178.

It is an arithmetic number, because the mean of its divisors is an integer number (1237171320).

Almost surely, 2^20143344441 is an apocalyptic number.

It is an amenable number.

20143344441 is a deficient number, since it is larger than the sum of its proper divisors (9548767239).

20143344441 is a wasteful number, since it uses less digits than its factorization.

20143344441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320957 (or 320946 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 20143344441 its reverse (14444334102), we get a palindrome (34587678543).

The spelling of 20143344441 in words is "twenty billion, one hundred forty-three million, three hundred forty-four thousand, four hundred forty-one".