11245320220 has 12 divisors (see below), whose sum is σ = 23615172504. Its totient is φ = 4498128080.

The previous prime is 11245320179. The next prime is 11245320239. The reversal of 11245320220 is 2202354211.

It is a happy number.

11245320220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11245320191 and 11245320200.

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 3 ways as a sum of consecutive naturals, for example, 281132986 + ... + 281133025.

It is an arithmetic number, because the mean of its divisors is an integer number (1967931042).

Almost surely, 2^11245320220 is an apocalyptic number.

11245320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11245320220 is an abundant number, since it is smaller than the sum of its proper divisors (12369852284).

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

11245320220 is a wasteful number, since it uses less digits than its factorization.

11245320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562266020 (or 562266018 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 11245320220 its reverse (2202354211), we get a palindrome (13447674431).

The spelling of 11245320220 in words is "eleven billion, two hundred forty-five million, three hundred twenty thousand, two hundred twenty".