20042212102423 has 16 divisors (see below), whose sum is σ = 23261121616896. Its totient is φ = 16914250281600.

The previous prime is 20042212102403. The next prime is 20042212102463. The reversal of 20042212102423 is 32420121224002.

It is not a de Polignac number, because 20042212102423 - 2²⁵ = 20042178547991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042212102403) 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 15 ways as a sum of consecutive naturals, for example, 83780611 + ... + 84019492.

It is an arithmetic number, because the mean of its divisors is an integer number (1453820101056).

Almost surely, 2^{20042212102423} is an apocalyptic number.

20042212102423 is a deficient number, since it is larger than the sum of its proper divisors (3218909514473).

20042212102423 is a wasteful number, since it uses less digits than its factorization.

20042212102423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167800374.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20042212102423 its reverse (32420121224002), we get a palindrome (52462333326425).

The spelling of 20042212102423 in words is "twenty trillion, forty-two billion, two hundred twelve million, one hundred two thousand, four hundred twenty-three".