11065206220 has 12 divisors (see below), whose sum is σ = 23236933104. Its totient is φ = 4426082480.

The previous prime is 11065206209. The next prime is 11065206223. The reversal of 11065206220 is 2260256011.

It is a super-2 number, since 2×11065206220² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11065206223) 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, 276630136 + ... + 276630175.

It is an arithmetic number, because the mean of its divisors is an integer number (1936411092).

Almost surely, 2^11065206220 is an apocalyptic number.

11065206220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11065206220 is an abundant number, since it is smaller than the sum of its proper divisors (12171726884).

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

11065206220 is a wasteful number, since it uses less digits than its factorization.

11065206220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553260320 (or 553260318 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The spelling of 11065206220 in words is "eleven billion, sixty-five million, two hundred six thousand, two hundred twenty".