30323220120 has 192 divisors, whose sum is σ = 102887928000. Its totient is φ = 7735440384.

The previous prime is 30323220113. The next prime is 30323220133. The reversal of 30323220120 is 2102232303.

It is a happy number.

30323220120 is a `hidden beast` number, since 3 + 0 + 323 + 220 + 120 = 666.

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 = 30323220093 and 30323220102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1124637 + ... + 1151283.

It is an arithmetic number, because the mean of its divisors is an integer number (535874625).

Almost surely, 2^30323220120 is an apocalyptic number.

30323220120 is a gapful number since it is divisible by the number (30) 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 30323220120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51443964000).

30323220120 is an abundant number, since it is smaller than the sum of its proper divisors (72564707880).

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

30323220120 is a wasteful number, since it uses less digits than its factorization.

30323220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26802 (or 26795 counting only the distinct ones).

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

Adding to 30323220120 its reverse (2102232303), we get a palindrome (32425452423).

The spelling of 30323220120 in words is "thirty billion, three hundred twenty-three million, two hundred twenty thousand, one hundred twenty".