20044444400223 has 64 divisors (see below), whose sum is σ = 29028082959360. Its totient is φ = 12256621977600.

The previous prime is 20044444400221. The next prime is 20044444400249. The reversal of 20044444400223 is 32200444444002.

It is not a de Polignac number, because 20044444400223 - 2¹ = 20044444400221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20044444400221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1307437668 + ... + 1307452998.

It is an arithmetic number, because the mean of its divisors is an integer number (453563796240).

Almost surely, 2^{20044444400223} is an apocalyptic number.

20044444400223 is a deficient number, since it is larger than the sum of its proper divisors (8983638559137).

20044444400223 is a wasteful number, since it uses less digits than its factorization.

20044444400223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19568.

The product of its (nonzero) digits is 98304, while the sum is 33.

Adding to 20044444400223 its reverse (32200444444002), we get a palindrome (52244888844225).

The spelling of 20044444400223 in words is "twenty trillion, forty-four billion, four hundred forty-four million, four hundred thousand, two hundred twenty-three".