11201433220 has 24 divisors (see below), whose sum is σ = 23556595608. Its totient is φ = 4474176000.

The previous prime is 11201433211. The next prime is 11201433247. The reversal of 11201433220 is 2233410211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2785939524 + 8415493696 = 52782^2 + 91736^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385461 + ... + 413500.

It is an arithmetic number, because the mean of its divisors is an integer number (981524817).

Almost surely, 2^11201433220 is an apocalyptic number.

11201433220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201433220 is an abundant number, since it is smaller than the sum of its proper divisors (12355162388).

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

11201433220 is a wasteful number, since it uses less digits than its factorization.

11201433220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799671 (or 799669 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11201433220 its reverse (2233410211), we get a palindrome (13434843431).

The spelling of 11201433220 in words is "eleven billion, two hundred one million, four hundred thirty-three thousand, two hundred twenty".