11020220020 has 48 divisors (see below), whose sum is σ = 24396321600. Its totient is φ = 4169940480.

The previous prime is 11020219997. The next prime is 11020220047. The reversal of 11020220020 is 2002202011.

11020220020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11020219979 and 11020220006.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 241596 + ... + 283564.

It is an arithmetic number, because the mean of its divisors is an integer number (508256700).

Almost surely, 2^11020220020 is an apocalyptic number.

11020220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11020220020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12198160800).

11020220020 is an abundant number, since it is smaller than the sum of its proper divisors (13376101580).

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

11020220020 is a wasteful number, since it uses less digits than its factorization.

11020220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42688 (or 42686 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 11020220020 its reverse (2002202011), we get a palindrome (13022422031).

The spelling of 11020220020 in words is "eleven billion, twenty million, two hundred twenty thousand, twenty".