202000020011 has 4 divisors (see below), whose sum is σ = 202214686224. Its totient is φ = 201785353800.

The previous prime is 202000020007. The next prime is 202000020071. The reversal of 202000020011 is 110020000202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202000020011 - 2² = 202000020007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202000020071) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 107331695 + ... + 107333576.

It is an arithmetic number, because the mean of its divisors is an integer number (50553671556).

Almost surely, 2^202000020011 is an apocalyptic number.

202000020011 is a deficient number, since it is larger than the sum of its proper divisors (214666213).

202000020011 is an equidigital number, since it uses as much as digits as its factorization.

202000020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214666212.

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

Adding to 202000020011 its reverse (110020000202), we get a palindrome (312020020213).

The spelling of 202000020011 in words is "two hundred two billion, twenty thousand, eleven".