20443111323141 has 8 divisors (see below), whose sum is σ = 29354211130720. Its totient is φ = 12580376198832.

The previous prime is 20443111323091. The next prime is 20443111323197. The reversal of 20443111323141 is 14132311134402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20443111323141 - 2¹⁷ = 20443111192069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20443111323099 and 20443111323108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20443111223141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262091170771 + ... + 262091170848.

It is an arithmetic number, because the mean of its divisors is an integer number (3669276391340).

Almost surely, 2^{20443111323141} is an apocalyptic number.

It is an amenable number.

20443111323141 is a deficient number, since it is larger than the sum of its proper divisors (8911099807579).

20443111323141 is a wasteful number, since it uses less digits than its factorization.

20443111323141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524182341635.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 20443111323141 its reverse (14132311134402), we get a palindrome (34575422457543).

The spelling of 20443111323141 in words is "twenty trillion, four hundred forty-three billion, one hundred eleven million, three hundred twenty-three thousand, one hundred forty-one".