11013310020 has 96 divisors (see below), whose sum is σ = 31193809920. Its totient is φ = 2903034240.

The previous prime is 11013310013. The next prime is 11013310057. The reversal of 11013310020 is 2001331011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11013309978 and 11013310005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4269091 + ... + 4271669.

It is an arithmetic number, because the mean of its divisors is an integer number (324935520).

Almost surely, 2^11013310020 is an apocalyptic number.

11013310020 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 11013310020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15596904960).

11013310020 is an abundant number, since it is smaller than the sum of its proper divisors (20180499900).

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

11013310020 is a wasteful number, since it uses less digits than its factorization.

11013310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385 (or 3383 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 11013310020 its reverse (2001331011), we get a palindrome (13014641031).

The spelling of 11013310020 in words is "eleven billion, thirteen million, three hundred ten thousand, twenty".