11230322220 has 192 divisors, whose sum is σ = 37820160000. Its totient is φ = 2750153472.

The previous prime is 11230322143. The next prime is 11230322231. The reversal of 11230322220 is 2222303211.

11230322220 is a `hidden beast` number, since 1 + 123 + 0 + 322 + 220 = 666.

It is a super-2 number, since 2×11230322220² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11230322193 and 11230322202.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1392961 + ... + 1400999.

It is an arithmetic number, because the mean of its divisors is an integer number (196980000).

Almost surely, 2^11230322220 is an apocalyptic number.

11230322220 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 11230322220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18910080000).

11230322220 is an abundant number, since it is smaller than the sum of its proper divisors (26589837780).

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

11230322220 is a wasteful number, since it uses less digits than its factorization.

11230322220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8269 (or 8261 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 11230322220 its reverse (2222303211), we get a palindrome (13452625431).

The spelling of 11230322220 in words is "eleven billion, two hundred thirty million, three hundred twenty-two thousand, two hundred twenty".