30222220120 has 128 divisors (see below), whose sum is σ = 73070242560. Its totient is φ = 11230064640.

The previous prime is 30222219961. The next prime is 30222220151. The reversal of 30222220120 is 2102222203.

It is a junction number, because it is equal to n+sod(n) for n = 30222220094 and 30222220103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2846662 + ... + 2857258.

It is an arithmetic number, because the mean of its divisors is an integer number (570861270).

Almost surely, 2^30222220120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30222220120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36535121280).

30222220120 is an abundant number, since it is smaller than the sum of its proper divisors (42848022440).

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

30222220120 is a wasteful number, since it uses less digits than its factorization.

30222220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10733 (or 10729 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 30222220120 its reverse (2102222203), we get a palindrome (32324442323).

The spelling of 30222220120 in words is "thirty billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twenty".