20112404544233 has 4 divisors (see below), whose sum is σ = 21295487164500. Its totient is φ = 18929321923968.

The previous prime is 20112404544223. The next prime is 20112404544263. The reversal of 20112404544233 is 33244540421102.

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 14425958615104 + 5686445929129 = 3798152^2 + 2384627^2 .

It is a cyclic number.

It is not a de Polignac number, because 20112404544233 - 2⁸ = 20112404543977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20112404544193 and 20112404544202.

It is not an unprimeable number, because it can be changed into a prime (20112404544203) 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 3 ways as a sum of consecutive naturals, for example, 591541310108 + ... + 591541310141.

It is an arithmetic number, because the mean of its divisors is an integer number (5323871791125).

Almost surely, 2^{20112404544233} is an apocalyptic number.

It is an amenable number.

20112404544233 is a deficient number, since it is larger than the sum of its proper divisors (1183082620267).

20112404544233 is a wasteful number, since it uses less digits than its factorization.

20112404544233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183082620266.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 20112404544233 its reverse (33244540421102), we get a palindrome (53356944965335).

The spelling of 20112404544233 in words is "twenty trillion, one hundred twelve billion, four hundred four million, five hundred forty-four thousand, two hundred thirty-three".