202020202100202 has 32 divisors (see below), whose sum is σ = 405663012566592. Its totient is φ = 67069829257344.

The previous prime is 202020202100089. The next prime is 202020202100209. The reversal of 202020202100202 is 202001202020202.

It is not an unprimeable number, because it can be changed into a prime (202020202100209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20465788 + ... + 28686039.

It is an arithmetic number, because the mean of its divisors is an integer number (12676969142706).

Almost surely, 2^{202020202100202} is an apocalyptic number.

202020202100202 is an abundant number, since it is smaller than the sum of its proper divisors (203642810466390).

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

202020202100202 is a wasteful number, since it uses less digits than its factorization.

202020202100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49154582.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 202020202100202 its reverse (202001202020202), we get a palindrome (404021404120404).

The spelling of 202020202100202 in words is "two hundred two trillion, twenty billion, two hundred two million, one hundred thousand, two hundred two".