200021020002002 has 4 divisors (see below), whose sum is σ = 300031530003006. Its totient is φ = 100010510001000.

The previous prime is 200021020001953. The next prime is 200021020002019. The reversal of 200021020002002 is 200200020120002.

200021020002002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 197747465677441 + 2273554324561 = 14062271^2 + 1507831^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005255000499 + ... + 50005255000502.

Almost surely, 2^{200021020002002} is an apocalyptic number.

200021020002002 is a deficient number, since it is larger than the sum of its proper divisors (100010510001004).

200021020002002 is a wasteful number, since it uses less digits than its factorization.

200021020002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100010510001003.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 200021020002002 its reverse (200200020120002), we get a palindrome (400221040122004).

The spelling of 200021020002002 in words is "two hundred trillion, twenty-one billion, twenty million, two thousand, two".