2002000020002 has 4 divisors (see below), whose sum is σ = 3003000030006. Its totient is φ = 1001000010000.

The previous prime is 2002000019989. The next prime is 2002000020061. The reversal of 2002000020002 is 2000200002002.

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., 1080974010601 + 921026009401 = 1039699^2 + 959701^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500500004999 + ... + 500500005002.

Almost surely, 2^{2002000020002} is an apocalyptic number.

2002000020002 is a deficient number, since it is larger than the sum of its proper divisors (1001000010004).

2002000020002 is a wasteful number, since it uses less digits than its factorization.

2002000020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001000010003.

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

Adding to 2002000020002 its reverse (2000200002002), we get a palindrome (4002200022004).

It can be divided in two parts, 200200002000 and 2, that added together give a palindrome (200200002002).

The spelling of 2002000020002 in words is "two trillion, two billion, twenty thousand, two".