20244342223 has 16 divisors (see below), whose sum is σ = 23581857600. Its totient is φ = 17021362176.

The previous prime is 20244342221. The next prime is 20244342247. The reversal of 20244342223 is 32224344202.

It is a happy number.

It is not a de Polignac number, because 20244342223 - 2¹ = 20244342221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20244342191 and 20244342200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20244342221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55198 + ... + 208651.

It is an arithmetic number, because the mean of its divisors is an integer number (1473866100).

Almost surely, 2^20244342223 is an apocalyptic number.

20244342223 is a deficient number, since it is larger than the sum of its proper divisors (3337515377).

20244342223 is a wasteful number, since it uses less digits than its factorization.

20244342223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264066.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 20244342223 its reverse (32224344202), we get a palindrome (52468686425).

The spelling of 20244342223 in words is "twenty billion, two hundred forty-four million, three hundred forty-two thousand, two hundred twenty-three".