11202233220 has 72 divisors (see below), whose sum is σ = 34898509464. Its totient is φ = 2906523648.

The previous prime is 11202233219. The next prime is 11202233227. The reversal of 11202233220 is 2233220211.

11202233220 is a `hidden beast` number, since 1 + 120 + 223 + 322 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6919577856 + 4282655364 = 83184^2 + 65442^2 .

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 = 11202233193 and 11202233202.

It is not an unprimeable number, because it can be changed into a prime (11202233227) 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, 834349 + ... + 847668.

Almost surely, 2^11202233220 is an apocalyptic number.

11202233220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11202233220 is an abundant number, since it is smaller than the sum of its proper divisors (23696276244).

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

11202233220 is a wasteful number, since it uses less digits than its factorization.

11202233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682069 (or 1682064 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 11202233220 its reverse (2233220211), we get a palindrome (13435453431).

The spelling of 11202233220 in words is "eleven billion, two hundred two million, two hundred thirty-three thousand, two hundred twenty".