20002002002 has 4 divisors (see below), whose sum is σ = 30003003006. Its totient is φ = 10001001000.

The previous prime is 20002001969. The next prime is 20002002089. The reversal of 20002002002 is 20020020002.

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., 19560539881 + 441462121 = 139859^2 + 21011^2 .

20002002002 is a modest number, since divided by 2002002 gives 20 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000500499 + ... + 5000500502.

Almost surely, 2^20002002002 is an apocalyptic number.

20002002002 is a deficient number, since it is larger than the sum of its proper divisors (10001001004).

20002002002 is a wasteful number, since it uses less digits than its factorization.

20002002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001001003.

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

Adding to 20002002002 its reverse (20020020002), we get a palindrome (40022022004).

It can be divided in two parts, 2000 and 2002002, that added together give a palindrome (2004002).

The spelling of 20002002002 in words is "twenty billion, two million, two thousand, two".