2002001984 has 28 divisors (see below), whose sum is σ = 3990252624. Its totient is φ = 996584064.

The previous prime is 2002001977. The next prime is 2002001999. The reversal of 2002001984 is 4891002002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54374 + ... + 83429.

Almost surely, 2^2002001984 is an apocalyptic number.

It is an amenable number.

2002001984 is a deficient number, since it is larger than the sum of its proper divisors (1988250640).

2002001984 is a wasteful number, since it uses less digits than its factorization.

2002001984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138042 (or 138032 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2002001984 is about 44743.7368131004. The cubic root of 2002001984 is about 1260.3413000009.

Adding to 2002001984 its reverse (4891002002), we get a palindrome (6893003986).

The spelling of 2002001984 in words is "two billion, two million, one thousand, nine hundred eighty-four".