11220201200020 has 24 divisors (see below), whose sum is σ = 23617091731968. Its totient is φ = 4477667296800.

The previous prime is 11220201199993. The next prime is 11220201200041. The reversal of 11220201200020 is 2000210202211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 650815116 + ... + 650832355.

It is an arithmetic number, because the mean of its divisors is an integer number (984045488832).

Almost surely, 2^{11220201200020} is an apocalyptic number.

11220201200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220201200020 is an abundant number, since it is smaller than the sum of its proper divisors (12396890531948).

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

11220201200020 is a wasteful number, since it uses less digits than its factorization.

11220201200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301647911 (or 1301647909 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11220201200020 its reverse (2000210202211), we get a palindrome (13220411402231).

The spelling of 11220201200020 in words is "eleven trillion, two hundred twenty billion, two hundred one million, two hundred thousand, twenty".