110011200120020 has 24 divisors (see below), whose sum is σ = 233067976188264. Its totient is φ = 43615059869696.

The previous prime is 110011200119999. The next prime is 110011200120023. The reversal of 110011200120020 is 20021002110011.

It can be written as a sum of positive squares in 4 ways, for example, as 6474307225156 + 103536892894864 = 2544466^2 + 10175308^2 .

It is a junction number, because it is equal to n+sod(n) for n = 110011200119983 and 110011200120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110011200120023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24338758829 + ... + 24338763348.

It is an arithmetic number, because the mean of its divisors is an integer number (9711165674511).

Almost surely, 2^{110011200120020} is an apocalyptic number.

110011200120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110011200120020 is an abundant number, since it is smaller than the sum of its proper divisors (123056776068244).

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

110011200120020 is a wasteful number, since it uses less digits than its factorization.

110011200120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48677522299 (or 48677522297 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 110011200120020 its reverse (20021002110011), we get a palindrome (130032202230031).

The spelling of 110011200120020 in words is "one hundred ten trillion, eleven billion, two hundred million, one hundred twenty thousand, twenty".