20103444143141 has 4 divisors (see below), whose sum is σ = 20646780471372. Its totient is φ = 19560107814912.

The previous prime is 20103444143137. The next prime is 20103444143143. The reversal of 20103444143141 is 14134144430102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19552403676100 + 551040467041 = 4421810^2 + 742321^2 .

It is a cyclic number.

It is not a de Polignac number, because 20103444143141 - 2² = 20103444143137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20103444143098 and 20103444143107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103444143143) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 271668164060 + ... + 271668164133.

It is an arithmetic number, because the mean of its divisors is an integer number (5161695117843).

Almost surely, 2^{20103444143141} is an apocalyptic number.

It is an amenable number.

20103444143141 is a deficient number, since it is larger than the sum of its proper divisors (543336328231).

20103444143141 is an equidigital number, since it uses as much as digits as its factorization.

20103444143141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543336328230.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 20103444143141 its reverse (14134144430102), we get a palindrome (34237588573243).

The spelling of 20103444143141 in words is "twenty trillion, one hundred three billion, four hundred forty-four million, one hundred forty-three thousand, one hundred forty-one".