233100001220 has 48 divisors (see below), whose sum is σ = 490790664000. Its totient is φ = 92996292480.

The previous prime is 233100001213. The next prime is 233100001247. The reversal of 233100001220 is 22100001332.

It is a happy number.

It is a super-2 number, since 2×233100001220² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 233100001195 and 233100001204.

It is an unprimeable number.

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, 19918931 + ... + 19930629.

It is an arithmetic number, because the mean of its divisors is an integer number (10224805500).

Almost surely, 2^233100001220 is an apocalyptic number.

233100001220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233100001220 is an abundant number, since it is smaller than the sum of its proper divisors (257690662780).

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

233100001220 is a wasteful number, since it uses less digits than its factorization.

233100001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14228 (or 14226 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 233100001220 its reverse (22100001332), we get a palindrome (255200002552).

The spelling of 233100001220 in words is "two hundred thirty-three billion, one hundred million, one thousand, two hundred twenty".