20112144431333 has 8 divisors (see below), whose sum is σ = 20278131471360. Its totient is φ = 19946276511840.

The previous prime is 20112144431311. The next prime is 20112144431377. The reversal of 20112144431333 is 33313444121102.

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

It is a cyclic number.

It is not a de Polignac number, because 20112144431333 - 2⁴⁰ = 19012632803557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20112144431333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112144431383) 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, 29441048 + ... + 30116433.

It is an arithmetic number, because the mean of its divisors is an integer number (2534766433920).

Almost surely, 2^{20112144431333} is an apocalyptic number.

It is an amenable number.

20112144431333 is a deficient number, since it is larger than the sum of its proper divisors (165987040027).

20112144431333 is a wasteful number, since it uses less digits than its factorization.

20112144431333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59560267.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 20112144431333 its reverse (33313444121102), we get a palindrome (53425588552435).

The spelling of 20112144431333 in words is "twenty trillion, one hundred twelve billion, one hundred forty-four million, four hundred thirty-one thousand, three hundred thirty-three".