233130403220 has 48 divisors (see below), whose sum is σ = 575163687168. Its totient is φ = 78253560960.

The previous prime is 233130403213. The next prime is 233130403223. The reversal of 233130403220 is 22304031332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233130403223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40754204 + ... + 40759923.

It is an arithmetic number, because the mean of its divisors is an integer number (11982576816).

Almost surely, 2^233130403220 is an apocalyptic number.

233130403220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233130403220 is an abundant number, since it is smaller than the sum of its proper divisors (342033283948).

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

233130403220 is a wasteful number, since it uses less digits than its factorization.

233130403220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81514160 (or 81514158 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 233130403220 its reverse (22304031332), we get a palindrome (255434434552).

The spelling of 233130403220 in words is "two hundred thirty-three billion, one hundred thirty million, four hundred three thousand, two hundred twenty".