2004421204 has 72 divisors (see below), whose sum is σ = 3810271752. Its totient is φ = 921972480.

The previous prime is 2004421201. The next prime is 2004421213. The reversal of 2004421204 is 4021244002.

It can be written as a sum of positive squares in 4 ways, for example, as 428490000 + 1575931204 = 20700^2 + 39698^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004421201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6840882 + ... + 6841174.

It is an arithmetic number, because the mean of its divisors is an integer number (52920441).

Almost surely, 2^2004421204 is an apocalyptic number.

It is an amenable number.

2004421204 is a deficient number, since it is larger than the sum of its proper divisors (1805850548).

2004421204 is a wasteful number, since it uses less digits than its factorization.

2004421204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2004421204 is about 44770.7628257549. The cubic root of 2004421204 is about 1260.8487612943.

Adding to 2004421204 its reverse (4021244002), we get a palindrome (6025665206).

The spelling of 2004421204 in words is "two billion, four million, four hundred twenty-one thousand, two hundred four".