11200000020020 has 36 divisors (see below), whose sum is σ = 27360000051300. Its totient is φ = 3840000006528.

The previous prime is 11200000019993. The next prime is 11200000020023. The reversal of 11200000020020 is 2002000000211.

It can be written as a sum of positive squares in 2 ways, for example, as 6941728400656 + 4258271619364 = 2634716^2 + 2063558^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200000020023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5714284745 + ... + 5714286704.

It is an arithmetic number, because the mean of its divisors is an integer number (760000001425).

Almost surely, 2^{11200000020020} is an apocalyptic number.

11200000020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200000020020 is an abundant number, since it is smaller than the sum of its proper divisors (16160000031280).

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

11200000020020 is a wasteful number, since it uses less digits than its factorization.

11200000020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11428571472 (or 11428571463 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 11200000020020 its reverse (2002000000211), we get a palindrome (13202000020231).

The spelling of 11200000020020 in words is "eleven trillion, two hundred billion, twenty thousand, twenty".