30120313320 has 160 divisors (see below), whose sum is σ = 105639621120. Its totient is φ = 7682843520.

The previous prime is 30120313313. The next prime is 30120313337. The reversal of 30120313320 is 2331302103.

30120313320 is a `hidden beast` number, since 30 + 1 + 2 + 0 + 313 + 320 = 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 = 30120313293 and 30120313302.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 127576 + ... + 276615.

It is an arithmetic number, because the mean of its divisors is an integer number (660247632).

Almost surely, 2^30120313320 is an apocalyptic number.

30120313320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30120313320 is an abundant number, since it is smaller than the sum of its proper divisors (75519307800).

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

30120313320 is a wasteful number, since it uses less digits than its factorization.

30120313320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404237 (or 404224 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30120313320 its reverse (2331302103), we get a palindrome (32451615423).

The spelling of 30120313320 in words is "thirty billion, one hundred twenty million, three hundred thirteen thousand, three hundred twenty".