2004301021 has 4 divisors (see below), whose sum is σ = 2029672000. Its totient is φ = 1978930044.

The previous prime is 2004300931. The next prime is 2004301069. The reversal of 2004301021 is 1201034002.

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 2004301021 - 2¹⁷ = 2004169949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2004300992 and 2004301010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004301421) 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, 12685371 + ... + 12685528.

It is an arithmetic number, because the mean of its divisors is an integer number (507418000).

Almost surely, 2^2004301021 is an apocalyptic number.

It is an amenable number.

2004301021 is a deficient number, since it is larger than the sum of its proper divisors (25370979).

2004301021 is an equidigital number, since it uses as much as digits as its factorization.

2004301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25370978.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2004301021 is about 44769.4206015669. The cubic root of 2004301021 is about 1260.8235610661.

Adding to 2004301021 its reverse (1201034002), we get a palindrome (3205335023).

The spelling of 2004301021 in words is "two billion, four million, three hundred one thousand, twenty-one".