11322223020 has 72 divisors (see below), whose sum is σ = 34433957376. Its totient is φ = 3011357952.

The previous prime is 11322222979. The next prime is 11322223027. The reversal of 11322223020 is 2032222311.

It is a super-2 number, since 2×11322223020² (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 = 11322222984 and 11322223002.

It is not an unprimeable number, because it can be changed into a prime (11322223027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13177 + ... + 151056.

It is an arithmetic number, because the mean of its divisors is an integer number (478249408).

Almost surely, 2^11322223020 is an apocalyptic number.

11322223020 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 11322223020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17216978688).

11322223020 is an abundant number, since it is smaller than the sum of its proper divisors (23111734356).

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

11322223020 is a wasteful number, since it uses less digits than its factorization.

11322223020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164631 (or 164626 counting only the distinct ones).

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

Adding to 11322223020 its reverse (2032222311), we get a palindrome (13354445331).

The spelling of 11322223020 in words is "eleven billion, three hundred twenty-two million, two hundred twenty-three thousand, twenty".