200021120202 has 32 divisors (see below), whose sum is σ = 407493273600. Its totient is φ = 65435593968.

The previous prime is 200021120183. The next prime is 200021120209. The reversal of 200021120202 is 202021120002.

It is not an unprimeable number, because it can be changed into a prime (200021120209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250552 + ... + 680307.

It is an arithmetic number, because the mean of its divisors is an integer number (12734164800).

Almost surely, 2^200021120202 is an apocalyptic number.

200021120202 is an abundant number, since it is smaller than the sum of its proper divisors (207472153398).

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

200021120202 is a wasteful number, since it uses less digits than its factorization.

200021120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931530.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 200021120202 its reverse (202021120002), we get a palindrome (402042240204).

The spelling of 200021120202 in words is "two hundred billion, twenty-one million, one hundred twenty thousand, two hundred two".