201220202002 has 4 divisors (see below), whose sum is σ = 301830303006. Its totient is φ = 100610101000.

The previous prime is 201220201997. The next prime is 201220202009. The reversal of 201220202002 is 200202022102.

201220202002 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., 168223842801 + 32996359201 = 410151^2 + 181649^2 .

It is a super-4 number, since 4×201220202002⁴ (a number of 46 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (201220202009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50305050499 + ... + 50305050502.

Almost surely, 2^201220202002 is an apocalyptic number.

201220202002 is a deficient number, since it is larger than the sum of its proper divisors (100610101004).

201220202002 is a wasteful number, since it uses less digits than its factorization.

201220202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100610101003.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 201220202002 its reverse (200202022102), we get a palindrome (401422224104).

The spelling of 201220202002 in words is "two hundred one billion, two hundred twenty million, two hundred two thousand, two".