233130001220 has 48 divisors (see below), whose sum is σ = 505429521408. Its totient is φ = 90232471680.

The previous prime is 233130001213. The next prime is 233130001229. The reversal of 233130001220 is 22100031332.

It is not an unprimeable number, because it can be changed into a prime (233130001229) 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, 6204209 + ... + 6241671.

It is an arithmetic number, because the mean of its divisors is an integer number (10529781696).

Almost surely, 2^233130001220 is an apocalyptic number.

233130001220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233130001220 is an abundant number, since it is smaller than the sum of its proper divisors (272299520188).

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

233130001220 is a wasteful number, since it uses less digits than its factorization.

233130001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47540 (or 47538 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 233130001220 its reverse (22100031332), we get a palindrome (255230032552).

The spelling of 233130001220 in words is "two hundred thirty-three billion, one hundred thirty million, one thousand, two hundred twenty".