20441113143 has 16 divisors (see below), whose sum is σ = 29735241600. Its totient is φ = 12387422880.

The previous prime is 20441113139. The next prime is 20441113151. The reversal of 20441113143 is 34131114402.

It is not a de Polignac number, because 20441113143 - 2² = 20441113139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20441115143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469848 + ... + 511506.

It is an arithmetic number, because the mean of its divisors is an integer number (1858452600).

Almost surely, 2^20441113143 is an apocalyptic number.

20441113143 is a deficient number, since it is larger than the sum of its proper divisors (9294128457).

20441113143 is a wasteful number, since it uses less digits than its factorization.

20441113143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56542.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 20441113143 its reverse (34131114402), we get a palindrome (54572227545).

The spelling of 20441113143 in words is "twenty billion, four hundred forty-one million, one hundred thirteen thousand, one hundred forty-three".