2002012002 has 12 divisors (see below), whose sum is σ = 4337692710. Its totient is φ = 667337328.

The previous prime is 2002011959. The next prime is 2002012027. The reversal of 2002012002 is 2002102002.

It can be written as a sum of positive squares in only one way, i.e., 1798692921 + 203319081 = 42411^2 + 14259^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55611427 + ... + 55611462.

Almost surely, 2^2002012002 is an apocalyptic number.

2002012002 is an abundant number, since it is smaller than the sum of its proper divisors (2335680708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2002012002 is a wasteful number, since it uses less digits than its factorization.

2002012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111222897 (or 111222894 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2002012002 is about 44743.8487615896. The cubic root of 2002012002 is about 1260.3434022429.

Adding to 2002012002 its reverse (2002102002), we get a palindrome (4004114004).

Subtracting 2002012002 from its reverse (2002102002), we obtain a square (90000 = 300²).

The spelling of 2002012002 in words is "two billion, two million, twelve thousand, two".