20444121104233 has 4 divisors (see below), whose sum is σ = 21520127478160. Its totient is φ = 19368114730308.

The previous prime is 20444121104203. The next prime is 20444121104261. The reversal of 20444121104233 is 33240112144402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20444121104233 - 2⁵ = 20444121104201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20444121104195 and 20444121104204.

It is not an unprimeable number, because it can be changed into a prime (20444121104203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538003186935 + ... + 538003186972.

It is an arithmetic number, because the mean of its divisors is an integer number (5380031869540).

Almost surely, 2^{20444121104233} is an apocalyptic number.

It is an amenable number.

20444121104233 is a deficient number, since it is larger than the sum of its proper divisors (1076006373927).

20444121104233 is a wasteful number, since it uses less digits than its factorization.

20444121104233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076006373926.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 20444121104233 its reverse (33240112144402), we get a palindrome (53684233248635).

The spelling of 20444121104233 in words is "twenty trillion, four hundred forty-four billion, one hundred twenty-one million, one hundred four thousand, two hundred thirty-three".