11220210020 has 24 divisors (see below), whose sum is σ = 23570723904. Its totient is φ = 4486506336.

The previous prime is 11220209993. The next prime is 11220210041. The reversal of 11220210020 is 2001202211.

It is a happy number.

It is a super-3 number, since 3×11220210020³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 11220209983 and 11220210010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39422 + ... + 154901.

It is an arithmetic number, because the mean of its divisors is an integer number (982113496).

Almost surely, 2^11220210020 is an apocalyptic number.

11220210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220210020 is an abundant number, since it is smaller than the sum of its proper divisors (12350513884).

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

11220210020 is a wasteful number, since it uses less digits than its factorization.

11220210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197219 (or 197217 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11220210020 its reverse (2001202211), we get a palindrome (13221412231).

The spelling of 11220210020 in words is "eleven billion, two hundred twenty million, two hundred ten thousand, twenty".