2002120002 has 24 divisors (see below), whose sum is σ = 4340429184. Its totient is φ = 666988344.

The previous prime is 2002119967. The next prime is 2002120013. The reversal of 2002120002 is 2000212002.

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 11 ways as a sum of consecutive naturals, for example, 903 + ... + 63285.

It is an arithmetic number, because the mean of its divisors is an integer number (180851216).

Almost surely, 2^2002120002 is an apocalyptic number.

2002120002 is an abundant number, since it is smaller than the sum of its proper divisors (2338309182).

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

2002120002 is a wasteful number, since it uses less digits than its factorization.

2002120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64174 (or 64171 counting only the distinct ones).

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

The square root of 2002120002 is about 44745.0556151180. The cubic root of 2002120002 is about 1260.3660652173.

Adding to 2002120002 its reverse (2000212002), we get a palindrome (4002332004).

It can be divided in two parts, 200212000 and 2, that added together give a palindrome (200212002).

The spelling of 2002120002 in words is "two billion, two million, one hundred twenty thousand, two".