202040230 has 72 divisors (see below), whose sum is σ = 435056832. Its totient is φ = 67356576.

The previous prime is 202040221. The next prime is 202040231. The reversal of 202040230 is 32040202.

It is a self number, because there is not a number n which added to its sum of digits gives 202040230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202040231) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 905899 + ... + 906121.

It is an arithmetic number, because the mean of its divisors is an integer number (6042456).

Almost surely, 2^202040230 is an apocalyptic number.

202040230 is an abundant number, since it is smaller than the sum of its proper divisors (233016602).

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

202040230 is a wasteful number, since it uses less digits than its factorization.

202040230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 202040230 is about 14214.0856195536. The cubic root of 202040230 is about 586.7853800886.

Adding to 202040230 its reverse (32040202), we get a palindrome (234080432).

The spelling of 202040230 in words is "two hundred two million, forty thousand, two hundred thirty".