1233233220 has 24 divisors (see below), whose sum is σ = 3453053184. Its totient is φ = 328862176.

The previous prime is 1233233201. The next prime is 1233233231. The reversal of 1233233220 is 223323321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10276884 + ... + 10277003.

It is an arithmetic number, because the mean of its divisors is an integer number (143877216).

Almost surely, 2^1233233220 is an apocalyptic number.

1233233220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233233220 is an abundant number, since it is smaller than the sum of its proper divisors (2219819964).

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

1233233220 is a wasteful number, since it uses less digits than its factorization.

1233233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20553899 (or 20553897 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 1233233220 is about 35117.4204633541. The cubic root of 1233233220 is about 1072.3792573306.

Adding to 1233233220 its reverse (223323321), we get a palindrome (1456556541).

The spelling of 1233233220 in words is "one billion, two hundred thirty-three million, two hundred thirty-three thousand, two hundred twenty".