20042212104406 has 8 divisors (see below), whose sum is σ = 30074097411360. Its totient is φ = 10017512967288.

The previous prime is 20042212104403. The next prime is 20042212104433. The reversal of 20042212104406 is 60440121224002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20042212104406² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042212104403) 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, 1796535486 + ... + 1796546641.

It is an arithmetic number, because the mean of its divisors is an integer number (3759262176420).

Almost surely, 2^{20042212104406} is an apocalyptic number.

20042212104406 is a deficient number, since it is larger than the sum of its proper divisors (10031885306954).

20042212104406 is a wasteful number, since it uses less digits than its factorization.

20042212104406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593084918.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 20042212104406 its reverse (60440121224002), we get a palindrome (80482333328408).

The spelling of 20042212104406 in words is "twenty trillion, forty-two billion, two hundred twelve million, one hundred four thousand, four hundred six".