11303013220 has 12 divisors (see below), whose sum is σ = 23736327804. Its totient is φ = 4521205280.

The previous prime is 11303013187. The next prime is 11303013229. The reversal of 11303013220 is 2231030311.

It can be written as a sum of positive squares in 2 ways, for example, as 3126151744 + 8176861476 = 55912^2 + 90426^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11303013194 and 11303013203.

It is not an unprimeable number, because it can be changed into a prime (11303013229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282575311 + ... + 282575350.

It is an arithmetic number, because the mean of its divisors is an integer number (1978027317).

Almost surely, 2^11303013220 is an apocalyptic number.

11303013220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11303013220 is an abundant number, since it is smaller than the sum of its proper divisors (12433314584).

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

11303013220 is a wasteful number, since it uses less digits than its factorization.

11303013220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565150670 (or 565150668 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 11303013220 its reverse (2231030311), we get a palindrome (13534043531).

The spelling of 11303013220 in words is "eleven billion, three hundred three million, thirteen thousand, two hundred twenty".