11130320020 has 48 divisors (see below), whose sum is σ = 24590957328. Its totient is φ = 4226135040.

The previous prime is 11130319997. The next prime is 11130320051. The reversal of 11130320020 is 2002303111.

11130320020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 930128004 + 10200192016 = 30498^2 + 100996^2 .

It is a super-2 number, since 2×11130320020² (a number of 21 digits) contains 22 as substring.

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, 153087 + ... + 213766.

It is an arithmetic number, because the mean of its divisors is an integer number (512311611).

Almost surely, 2^11130320020 is an apocalyptic number.

11130320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11130320020 is an abundant number, since it is smaller than the sum of its proper divisors (13460637308).

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

11130320020 is a wasteful number, since it uses less digits than its factorization.

11130320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366940 (or 366938 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 11130320020 its reverse (2002303111), we get a palindrome (13132623131).

The spelling of 11130320020 in words is "eleven billion, one hundred thirty million, three hundred twenty thousand, twenty".