202011312230 has 32 divisors (see below), whose sum is σ = 447532755264. Its totient is φ = 63933250176.

The previous prime is 202011312169. The next prime is 202011312247. The reversal of 202011312230 is 32213110202.

It is a junction number, because it is equal to n+sod(n) for n = 202011312199 and 202011312208.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 110994317 + ... + 110996136.

It is an arithmetic number, because the mean of its divisors is an integer number (13985398602).

Almost surely, 2^202011312230 is an apocalyptic number.

202011312230 is an abundant number, since it is smaller than the sum of its proper divisors (245521443034).

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

202011312230 is a wasteful number, since it uses less digits than its factorization.

202011312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221990480.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 202011312230 its reverse (32213110202), we get a palindrome (234224422432).

The spelling of 202011312230 in words is "two hundred two billion, eleven million, three hundred twelve thousand, two hundred thirty".