202171200002 has 32 divisors (see below), whose sum is σ = 323865603072. Its totient is φ = 94423112784.

The previous prime is 202171199983. The next prime is 202171200029. The reversal of 202171200002 is 200002171202.

It is a super-2 number, since 2×202171200002² (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 in 15 ways as a sum of consecutive naturals, for example, 17533163 + ... + 17544689.

It is an arithmetic number, because the mean of its divisors is an integer number (10120800096).

Almost surely, 2^202171200002 is an apocalyptic number.

202171200002 is a deficient number, since it is larger than the sum of its proper divisors (121694403070).

202171200002 is a wasteful number, since it uses less digits than its factorization.

202171200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20462.

The product of its (nonzero) digits is 112, while the sum is 17.

Adding to 202171200002 its reverse (200002171202), we get a palindrome (402173371204).

The spelling of 202171200002 in words is "two hundred two billion, one hundred seventy-one million, two hundred thousand, two".