11020020216 has 64 divisors (see below), whose sum is σ = 29034028800. Its totient is φ = 3475929600.

The previous prime is 11020020191. The next prime is 11020020217. The reversal of 11020020216 is 61202002011.

It is a super-2 number, since 2×11020020216² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11020020195 and 11020020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020020217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388021 + ... + 415451.

It is an arithmetic number, because the mean of its divisors is an integer number (453656700).

Almost surely, 2^11020020216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11020020216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14517014400).

11020020216 is an abundant number, since it is smaller than the sum of its proper divisors (18014008584).

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

11020020216 is a wasteful number, since it uses less digits than its factorization.

11020020216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28340 (or 28336 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11020020216 its reverse (61202002011), we get a palindrome (72222022227).

The spelling of 11020020216 in words is "eleven billion, twenty million, twenty thousand, two hundred sixteen".