11310240220 has 12 divisors (see below), whose sum is σ = 23751504504. Its totient is φ = 4524096080.

The previous prime is 11310240209. The next prime is 11310240283. The reversal of 11310240220 is 2204201311.

It is a junction number, because it is equal to n+sod(n) for n = 11310240194 and 11310240203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282755986 + ... + 282756025.

It is an arithmetic number, because the mean of its divisors is an integer number (1979292042).

Almost surely, 2^11310240220 is an apocalyptic number.

11310240220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11310240220 is an abundant number, since it is smaller than the sum of its proper divisors (12441264284).

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

11310240220 is a wasteful number, since it uses less digits than its factorization.

11310240220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565512020 (or 565512018 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11310240220 its reverse (2204201311), we get a palindrome (13514441531).

The spelling of 11310240220 in words is "eleven billion, three hundred ten million, two hundred forty thousand, two hundred twenty".