30323222120 has 32 divisors (see below), whose sum is σ = 68234027400. Its totient is φ = 12128083968.

The previous prime is 30323222119. The next prime is 30323222123. The reversal of 30323222120 is 2122232303.

It can be written as a sum of positive squares in 4 ways, for example, as 13821764356 + 16501457764 = 117566^2 + 128458^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30323222092 and 30323222101.

It is not an unprimeable number, because it can be changed into a prime (30323222123) 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 7 ways as a sum of consecutive naturals, for example, 447092 + ... + 510428.

Almost surely, 2^30323222120 is an apocalyptic number.

It is an amenable number.

30323222120 is an abundant number, since it is smaller than the sum of its proper divisors (37910805280).

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

30323222120 is a wasteful number, since it uses less digits than its factorization.

30323222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75317 (or 75313 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30323222120 its reverse (2122232303), we get a palindrome (32445454423).

The spelling of 30323222120 in words is "thirty billion, three hundred twenty-three million, two hundred twenty-two thousand, one hundred twenty".