11013132020 has 72 divisors (see below), whose sum is σ = 25523908704. Its totient is φ = 3988600000.

The previous prime is 11013131989. The next prime is 11013132043. The reversal of 11013132020 is 2023131011.

11013132020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11013131986 and 11013132004.

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 23 ways as a sum of consecutive naturals, for example, 598355 + ... + 616485.

It is an arithmetic number, because the mean of its divisors is an integer number (354498732).

Almost surely, 2^11013132020 is an apocalyptic number.

11013132020 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 11013132020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12761954352).

11013132020 is an abundant number, since it is smaller than the sum of its proper divisors (14510776684).

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

11013132020 is a wasteful number, since it uses less digits than its factorization.

11013132020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18413 (or 18400 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11013132020 its reverse (2023131011), we get a palindrome (13036263031).

The spelling of 11013132020 in words is "eleven billion, thirteen million, one hundred thirty-two thousand, twenty".