30120023213220 has 24 divisors (see below), whose sum is σ = 84336064997184. Its totient is φ = 8032006190176.

The previous prime is 30120023213101. The next prime is 30120023213237. The reversal of 30120023213220 is 2231232002103.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251000193384 + ... + 251000193503.

It is an arithmetic number, because the mean of its divisors is an integer number (3514002708216).

Almost surely, 2^{30120023213220} is an apocalyptic number.

30120023213220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30120023213220 is an abundant number, since it is smaller than the sum of its proper divisors (54216041783964).

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

30120023213220 is a wasteful number, since it uses less digits than its factorization.

30120023213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502000386899 (or 502000386897 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30120023213220 its reverse (2231232002103), we get a palindrome (32351255215323).

The spelling of 30120023213220 in words is "thirty trillion, one hundred twenty billion, twenty-three million, two hundred thirteen thousand, two hundred twenty".