202002100002 has 24 divisors (see below), whose sum is σ = 440819935920. Its totient is φ = 66849615000.

The previous prime is 202002099997. The next prime is 202002100009. The reversal of 202002100002 is 200001200202.

202002100002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (202002100009) 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 11 ways as a sum of consecutive naturals, for example, 40365624 + ... + 40370627.

It is an arithmetic number, because the mean of its divisors is an integer number (18367497330).

Almost surely, 2^202002100002 is an apocalyptic number.

202002100002 is an abundant number, since it is smaller than the sum of its proper divisors (238817835918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202002100002 is a wasteful number, since it uses less digits than its factorization.

202002100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80736398 (or 80736395 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 202002100002 its reverse (200001200202), we get a palindrome (402003300204).

The spelling of 202002100002 in words is "two hundred two billion, two million, one hundred thousand, two".