2004242204021 has 4 divisors (see below), whose sum is σ = 2004726441600. Its totient is φ = 2003757966444.

The previous prime is 2004242204017. The next prime is 2004242204059. The reversal of 2004242204021 is 1204022424002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2004242204021 - 2² = 2004242204017 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 (2004242204221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242112581 + ... + 242120858.

It is an arithmetic number, because the mean of its divisors is an integer number (501181610400).

Almost surely, 2^{2004242204021} is an apocalyptic number.

It is an amenable number.

2004242204021 is a deficient number, since it is larger than the sum of its proper divisors (484237579).

2004242204021 is an equidigital number, since it uses as much as digits as its factorization.

2004242204021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484237578.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 2004242204021 its reverse (1204022424002), we get a palindrome (3208264628023).

The spelling of 2004242204021 in words is "two trillion, four billion, two hundred forty-two million, two hundred four thousand, twenty-one".