20112343321004 has 96 divisors (see below), whose sum is σ = 41203467244800. Its totient is φ = 8492509359360.

The previous prime is 20112343321003. The next prime is 20112343321019. The reversal of 20112343321004 is 40012334321102.

It is not an unprimeable number, because it can be changed into a prime (20112343321003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77276162 + ... + 77535990.

It is an arithmetic number, because the mean of its divisors is an integer number (429202783800).

Almost surely, 2^{20112343321004} is an apocalyptic number.

It is an amenable number.

20112343321004 is an abundant number, since it is smaller than the sum of its proper divisors (21091123923796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20112343321004 is a wasteful number, since it uses less digits than its factorization.

20112343321004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261663 (or 261661 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 20112343321004 its reverse (40012334321102), we get a palindrome (60124677642106).

The spelling of 20112343321004 in words is "twenty trillion, one hundred twelve billion, three hundred forty-three million, three hundred twenty-one thousand, four".