2004000002 has 4 divisors (see below), whose sum is σ = 3006000006. Its totient is φ = 1002000000.

The previous prime is 2003999971. The next prime is 2004000043. The reversal of 2004000002 is 2000004002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1791744241 + 212255761 = 42329^2 + 14569^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500999999 + ... + 501000002.

Almost surely, 2^2004000002 is an apocalyptic number.

2004000002 is a deficient number, since it is larger than the sum of its proper divisors (1002000004).

2004000002 is a wasteful number, since it uses less digits than its factorization.

2004000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002000003.

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 2004000002 is about 44766.0585935371. The cubic root of 2004000002 is about 1260.7604383373.

Adding to 2004000002 its reverse (2000004002), we get a palindrome (4004004004).

The spelling of 2004000002 in words is "two billion, four million, two", and thus it is an aban number and an eban number.