20310330222 has 96 divisors (see below), whose sum is σ = 54404732928. Its totient is φ = 5332454208.

The previous prime is 20310330221. The next prime is 20310330241. The reversal of 20310330222 is 22203301302.

It is a happy number.

20310330222 is a `hidden beast` number, since 2 + 0 + 310 + 330 + 2 + 22 = 666.

It is a super-3 number, since 3×20310330222³ (a number of 32 digits) contains 333 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 = 20310330195 and 20310330204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310330221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 337473 + ... + 393075.

It is an arithmetic number, because the mean of its divisors is an integer number (566715968).

Almost surely, 2^20310330222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20310330222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27202366464).

20310330222 is an abundant number, since it is smaller than the sum of its proper divisors (34094402706).

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

20310330222 is a wasteful number, since it uses less digits than its factorization.

20310330222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55854 (or 55851 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20310330222 its reverse (22203301302), we get a palindrome (42513631524).

The spelling of 20310330222 in words is "twenty billion, three hundred ten million, three hundred thirty thousand, two hundred twenty-two".