11003233220 has 72 divisors (see below), whose sum is σ = 26895450456. Its totient is φ = 3770274816.

The previous prime is 11003233193. The next prime is 11003233223. The reversal of 11003233220 is 2233230011.

It can be written as a sum of positive squares in 4 ways, for example, as 797384644 + 10205848576 = 28238^2 + 101024^2 .

It is a super-2 number, since 2×11003233220² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11003233223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2974412 + ... + 2978108.

It is an arithmetic number, because the mean of its divisors is an integer number (373547923).

Almost surely, 2^11003233220 is an apocalyptic number.

11003233220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11003233220 is an abundant number, since it is smaller than the sum of its proper divisors (15892217236).

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

11003233220 is a wasteful number, since it uses less digits than its factorization.

11003233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6757 (or 6748 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 11003233220 its reverse (2233230011), we get a palindrome (13236463231).

The spelling of 11003233220 in words is "eleven billion, three million, two hundred thirty-three thousand, two hundred twenty".