202018200002 has 4 divisors (see below), whose sum is σ = 303027300006. Its totient is φ = 101009100000.

The previous prime is 202018199989. The next prime is 202018200047. The reversal of 202018200002 is 200002810202.

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., 156221772001 + 45796428001 = 395249^2 + 214001^2 .

It is a super-2 number, since 2×202018200002² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50504549999 + ... + 50504550002.

Almost surely, 2^202018200002 is an apocalyptic number.

202018200002 is a deficient number, since it is larger than the sum of its proper divisors (101009100004).

202018200002 is a wasteful number, since it uses less digits than its factorization.

202018200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101009100003.

The product of its (nonzero) digits is 128, while the sum is 17.

The spelling of 202018200002 in words is "two hundred two billion, eighteen million, two hundred thousand, two".