11001110200020 has 72 divisors (see below), whose sum is σ = 33419618644776. Its totient is φ = 2929270321152.

The previous prime is 11001110200001. The next prime is 11001110200037. The reversal of 11001110200020 is 2000201110011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 742375238544 + 10258734961476 = 861612^2 + 3202926^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11001110199975 and 11001110200011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45285457 + ... + 45527736.

Almost surely, 2^{11001110200020} is an apocalyptic number.

11001110200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001110200020 is an abundant number, since it is smaller than the sum of its proper divisors (22418508444756).

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

11001110200020 is a wasteful number, since it uses less digits than its factorization.

11001110200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90813881 (or 90813876 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11001110200020 its reverse (2000201110011), we get a palindrome (13001311310031).

Subtracting from 11001110200020 its reverse (2000201110011), we obtain a palindrome (9000909090009).

The spelling of 11001110200020 in words is "eleven trillion, one billion, one hundred ten million, two hundred thousand, twenty".