11230333220 has 96 divisors (see below), whose sum is σ = 24881472000. Its totient is φ = 4253243904.

The previous prime is 11230333217. The next prime is 11230333237. The reversal of 11230333220 is 2233303211.

It is a super-2 number, since 2×11230333220² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11230333192 and 11230333201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4404506 + ... + 4407054.

It is an arithmetic number, because the mean of its divisors is an integer number (259182000).

Almost surely, 2^11230333220 is an apocalyptic number.

11230333220 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 11230333220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12440736000).

11230333220 is an abundant number, since it is smaller than the sum of its proper divisors (13651138780).

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

11230333220 is a wasteful number, since it uses less digits than its factorization.

11230333220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757 (or 2755 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 11230333220 its reverse (2233303211), we get a palindrome (13463636431).

The spelling of 11230333220 in words is "eleven billion, two hundred thirty million, three hundred thirty-three thousand, two hundred twenty".