233131200220 has 48 divisors (see below), whose sum is σ = 512075285568. Its totient is φ = 88986078720.

The previous prime is 233131200199. The next prime is 233131200227. The reversal of 233131200220 is 22002131332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233131200227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408249 + ... + 795568.

It is an arithmetic number, because the mean of its divisors is an integer number (10668235116).

Almost surely, 2^233131200220 is an apocalyptic number.

233131200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233131200220 is an abundant number, since it is smaller than the sum of its proper divisors (278944085348).

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

233131200220 is a wasteful number, since it uses less digits than its factorization.

233131200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204270 (or 1204268 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 233131200220 its reverse (22002131332), we get a palindrome (255133331552).

The spelling of 233131200220 in words is "two hundred thirty-three billion, one hundred thirty-one million, two hundred thousand, two hundred twenty".