30120323110020 has 288 divisors, whose sum is σ = 111039187633920. Its totient is φ = 6507790894080.

The previous prime is 30120323110013. The next prime is 30120323110021. The reversal of 30120323110020 is 2001132302103.

30120323110020 is a `hidden beast` number, since 301 + 2 + 0 + 32 + 311 + 0 + 0 + 20 = 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 = 30120323109975 and 30120323110002.

It is not an unprimeable number, because it can be changed into a prime (30120323110021) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19428984 + ... + 20921903.

It is an arithmetic number, because the mean of its divisors is an integer number (385552734840).

Almost surely, 2^{30120323110020} is an apocalyptic number.

30120323110020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30120323110020 is an abundant number, since it is smaller than the sum of its proper divisors (80918864523900).

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

30120323110020 is a wasteful number, since it uses less digits than its factorization.

30120323110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40350955 (or 40350950 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30120323110020 its reverse (2001132302103), we get a palindrome (32121455412123).

The spelling of 30120323110020 in words is "thirty trillion, one hundred twenty billion, three hundred twenty-three million, one hundred ten thousand, twenty".