11222204020 has 48 divisors (see below), whose sum is σ = 24042750480. Its totient is φ = 4399087616.

The previous prime is 11222204009. The next prime is 11222204029. The reversal of 11222204020 is 2040222211.

It can be written as a sum of positive squares in 8 ways, for example, as 6005320036 + 5216883984 = 77494^2 + 72228^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11222203985 and 11222204003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222204029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173244 + ... + 229036.

It is an arithmetic number, because the mean of its divisors is an integer number (500890635).

Almost surely, 2^11222204020 is an apocalyptic number.

11222204020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222204020 is an abundant number, since it is smaller than the sum of its proper divisors (12820546460).

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

11222204020 is a wasteful number, since it uses less digits than its factorization.

11222204020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56004 (or 56002 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 11222204020 its reverse (2040222211), we get a palindrome (13262426231).

The spelling of 11222204020 in words is "eleven billion, two hundred twenty-two million, two hundred four thousand, twenty".