233230211220 has 48 divisors (see below), whose sum is σ = 653112407808. Its totient is φ = 62188264320.

The previous prime is 233230211209. The next prime is 233230211261. The reversal of 233230211220 is 22112032332.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395362 + ... + 789158.

It is an arithmetic number, because the mean of its divisors is an integer number (13606508496).

Almost surely, 2^233230211220 is an apocalyptic number.

233230211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233230211220 is an abundant number, since it is smaller than the sum of its proper divisors (419882196588).

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

233230211220 is a wasteful number, since it uses less digits than its factorization.

233230211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403680 (or 403678 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 233230211220 its reverse (22112032332), we get a palindrome (255342243552).

The spelling of 233230211220 in words is "two hundred thirty-three billion, two hundred thirty million, two hundred eleven thousand, two hundred twenty".