11303203320 has 128 divisors (see below), whose sum is σ = 38142792000. Its totient is φ = 3014164224.

The previous prime is 11303203319. The next prime is 11303203333. The reversal of 11303203320 is 2330230311.

11303203320 is a `hidden beast` number, since 1 + 13 + 0 + 320 + 332 + 0 = 666.

11303203320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×11303203320³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11303203293 and 11303203302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22876 + ... + 152084.

Almost surely, 2^11303203320 is an apocalyptic number.

11303203320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11303203320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19071396000).

11303203320 is an abundant number, since it is smaller than the sum of its proper divisors (26839588680).

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

11303203320 is an equidigital number, since it uses as much as digits as its factorization.

11303203320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129241 (or 129219 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 11303203320 its reverse (2330230311), we get a palindrome (13633433631).

The spelling of 11303203320 in words is "eleven billion, three hundred three million, two hundred three thousand, three hundred twenty".