11204022220 has 96 divisors (see below), whose sum is σ = 25045272000. Its totient is φ = 4198293504.

The previous prime is 11204022217. The next prime is 11204022233. The reversal of 11204022220 is 2222040211.

It is a super-2 number, since 2×11204022220² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11204022194 and 11204022203.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24516232 + ... + 24516688.

It is an arithmetic number, because the mean of its divisors is an integer number (260888250).

Almost surely, 2^11204022220 is an apocalyptic number.

11204022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11204022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12522636000).

11204022220 is an abundant number, since it is smaller than the sum of its proper divisors (13841249780).

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

11204022220 is a wasteful number, since it uses less digits than its factorization.

11204022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1065 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 11204022220 its reverse (2222040211), we get a palindrome (13426062431).

The spelling of 11204022220 in words is "eleven billion, two hundred four million, twenty-two thousand, two hundred twenty".