11233230220 has 48 divisors (see below), whose sum is σ = 24259743648. Its totient is φ = 4367267840.

The previous prime is 11233230193. The next prime is 11233230241. The reversal of 11233230220 is 2203233211.

It is a super-2 number, since 2×11233230220² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63900 + ... + 162940.

It is an arithmetic number, because the mean of its divisors is an integer number (505411326).

Almost surely, 2^11233230220 is an apocalyptic number.

11233230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11233230220 is an abundant number, since it is smaller than the sum of its proper divisors (13026513428).

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

11233230220 is a wasteful number, since it uses less digits than its factorization.

11233230220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99210 (or 99208 counting only the distinct ones).

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

Adding to 11233230220 its reverse (2203233211), we get a palindrome (13436463431).

The spelling of 11233230220 in words is "eleven billion, two hundred thirty-three million, two hundred thirty thousand, two hundred twenty".