2004004422420 has 576 divisors, whose sum is σ = 7614381884928. Its totient is φ = 383201280000.

The previous prime is 2004004422397. The next prime is 2004004422421. The reversal of 2004004422420 is 242244004002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004004422421) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 222637920 + ... + 222646920.

Almost surely, 2^{2004004422420} is an apocalyptic number.

2004004422420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2004004422420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3807190942464).

2004004422420 is an abundant number, since it is smaller than the sum of its proper divisors (5610377462508).

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

2004004422420 is a wasteful number, since it uses less digits than its factorization.

2004004422420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9392 (or 9379 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 2004004422420 its reverse (242244004002), we get a palindrome (2246248426422).

The spelling of 2004004422420 in words is "two trillion, four billion, four million, four hundred twenty-two thousand, four hundred twenty".