11303033220 has 144 divisors (see below), whose sum is σ = 35909310528. Its totient is φ = 2984169600.

The previous prime is 11303033179. The next prime is 11303033233. The reversal of 11303033220 is 2233030311.

11303033220 is a `hidden beast` number, since 11 + 30 + 303 + 322 + 0 = 666.

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 = 11303033193 and 11303033202.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 479347 + ... + 502373.

It is an arithmetic number, because the mean of its divisors is an integer number (249370212).

Almost surely, 2^11303033220 is an apocalyptic number.

11303033220 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 11303033220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17954655264).

11303033220 is an abundant number, since it is smaller than the sum of its proper divisors (24606277308).

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

11303033220 is a wasteful number, since it uses less digits than its factorization.

11303033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23152 (or 23138 counting only the distinct ones).

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

Adding to 11303033220 its reverse (2233030311), we get a palindrome (13536063531).

The spelling of 11303033220 in words is "eleven billion, three hundred three million, thirty-three thousand, two hundred twenty".