11220000222020 has 72 divisors (see below), whose sum is σ = 25892617532040. Its totient is φ = 4078344847360.

The previous prime is 11220000222017. The next prime is 11220000222059. The reversal of 11220000222020 is 2022200002211.

It can be written as a sum of positive squares in 12 ways, for example, as 325828622596 + 10894171599424 = 570814^2 + 3300632^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11220000221986 and 11220000222004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33300941 + ... + 33636180.

It is an arithmetic number, because the mean of its divisors is an integer number (359619687945).

Almost surely, 2^{11220000222020} is an apocalyptic number.

11220000222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220000222020 is an abundant number, since it is smaller than the sum of its proper divisors (14672617310020).

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

11220000222020 is a wasteful number, since it uses less digits than its factorization.

11220000222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66937193 (or 66937174 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 11220000222020 its reverse (2022200002211), we get a palindrome (13242200224231).

The spelling of 11220000222020 in words is "eleven trillion, two hundred twenty billion, two hundred twenty-two thousand, twenty".