20042204444423 has 16 divisors (see below), whose sum is σ = 22930791186240. Its totient is φ = 17159972933376.

The previous prime is 20042204444399. The next prime is 20042204444447. The reversal of 20042204444423 is 32444440224002.

It is an interprime number because it is at equal distance from previous prime (20042204444399) and next prime (20042204444447).

It is not a de Polignac number, because 20042204444423 - 2⁸ = 20042204444167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042204444623) 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, 204519665 + ... + 204617637.

It is an arithmetic number, because the mean of its divisors is an integer number (1433174449140).

Almost surely, 2^{20042204444423} is an apocalyptic number.

20042204444423 is a deficient number, since it is larger than the sum of its proper divisors (2888586741817).

20042204444423 is an equidigital number, since it uses as much as digits as its factorization.

20042204444423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130106.

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 20042204444423 its reverse (32444440224002), we get a palindrome (52486644668425).

The spelling of 20042204444423 in words is "twenty trillion, forty-two billion, two hundred four million, four hundred forty-four thousand, four hundred twenty-three".