11204132220 has 192 divisors, whose sum is σ = 36430356480. Its totient is φ = 2891039040.

The previous prime is 11204132179. The next prime is 11204132221. The reversal of 11204132220 is 2223140211.

It is a happy number.

11204132220 is a `hidden beast` number, since 11 + 20 + 413 + 2 + 220 = 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 = 11204132193 and 11204132202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11204132221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1351809 + ... + 1360071.

It is an arithmetic number, because the mean of its divisors is an integer number (189741440).

Almost surely, 2^11204132220 is an apocalyptic number.

11204132220 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 11204132220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18215178240).

11204132220 is an abundant number, since it is smaller than the sum of its proper divisors (25226224260).

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

11204132220 is an equidigital number, since it uses as much as digits as its factorization.

11204132220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8324 (or 8304 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11204132220 its reverse (2223140211), we get a palindrome (13427272431).

The spelling of 11204132220 in words is "eleven billion, two hundred four million, one hundred thirty-two thousand, two hundred twenty".