204020202 has 16 divisors (see below), whose sum is σ = 412081632. Its totient is φ = 67333200.

The previous prime is 204020153. The next prime is 204020261. The reversal of 204020202 is 202020402.

It is a happy number.

204020202 is a modest number, since divided by 20202 gives 204 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167728 + ... + 168939.

It is an arithmetic number, because the mean of its divisors is an integer number (25755102).

Almost surely, 2^204020202 is an apocalyptic number.

204020202 is an abundant number, since it is smaller than the sum of its proper divisors (208061430).

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

204020202 is a wasteful number, since it uses less digits than its factorization.

204020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336773.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 204020202 is about 14283.5640510343. The cubic root of 204020202 is about 588.6959631438.

Adding to 204020202 its reverse (202020402), we get a palindrome (406040604).

The spelling of 204020202 in words is "two hundred four million, twenty thousand, two hundred two".