2002021804 has 12 divisors (see below), whose sum is σ = 3503961328. Its totient is φ = 1000890000.

The previous prime is 2002021771. The next prime is 2002021817. The reversal of 2002021804 is 4081202002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14329 + ... + 64879.

Almost surely, 2^2002021804 is an apocalyptic number.

It is an amenable number.

2002021804 is a deficient number, since it is larger than the sum of its proper divisors (1501939524).

2002021804 is a wasteful number, since it uses less digits than its factorization.

2002021804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60456 (or 60454 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2002021804 is about 44743.9582960650. The cubic root of 2002021804 is about 1260.3454591513.

Adding to 2002021804 its reverse (4081202002), we get a palindrome (6083223806).

The spelling of 2002021804 in words is "two billion, two million, twenty-one thousand, eight hundred four".