20004512420120 has 16 divisors (see below), whose sum is σ = 45010152945360. Its totient is φ = 8001804968032.

The previous prime is 20004512420089. The next prime is 20004512420129. The reversal of 20004512420120 is 2102421540002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004512420129) 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, 250056405212 + ... + 250056405291.

It is an arithmetic number, because the mean of its divisors is an integer number (2813134559085).

Almost surely, 2^{20004512420120} is an apocalyptic number.

20004512420120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20004512420120 is an abundant number, since it is smaller than the sum of its proper divisors (25005640525240).

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

20004512420120 is a wasteful number, since it uses less digits than its factorization.

20004512420120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500112810514 (or 500112810510 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 20004512420120 its reverse (2102421540002), we get a palindrome (22106933960122).

The spelling of 20004512420120 in words is "twenty trillion, four billion, five hundred twelve million, four hundred twenty thousand, one hundred twenty".