11143330020 has 72 divisors (see below), whose sum is σ = 34100624376. Its totient is φ = 2945252352.

The previous prime is 11143330013. The next prime is 11143330049. The reversal of 11143330020 is 2003334111.

It can be written as a sum of positive squares in 4 ways, for example, as 305270784 + 10838059236 = 17472^2 + 104106^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11143329975 and 11143330002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253587 + ... + 294266.

It is an arithmetic number, because the mean of its divisors is an integer number (473619783).

Almost surely, 2^11143330020 is an apocalyptic number.

11143330020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11143330020 is an abundant number, since it is smaller than the sum of its proper divisors (22957294356).

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

11143330020 is a wasteful number, since it uses less digits than its factorization.

11143330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547981 (or 547976 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11143330020 its reverse (2003334111), we get a palindrome (13146664131).

The spelling of 11143330020 in words is "eleven billion, one hundred forty-three million, three hundred thirty thousand, twenty".