30320511020 has 12 divisors (see below), whose sum is σ = 63673073184. Its totient is φ = 12128204400.

The previous prime is 30320510993. The next prime is 30320511029. The reversal of 30320511020 is 2011502303.

It is a self number, because there is not a number n which added to its sum of digits gives 30320511020.

It is not an unprimeable number, because it can be changed into a prime (30320511029) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 758012756 + ... + 758012795.

It is an arithmetic number, because the mean of its divisors is an integer number (5306089432).

Almost surely, 2^30320511020 is an apocalyptic number.

It is an amenable number.

30320511020 is an abundant number, since it is smaller than the sum of its proper divisors (33352562164).

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

30320511020 is a wasteful number, since it uses less digits than its factorization.

30320511020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516025560 (or 1516025558 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The spelling of 30320511020 in words is "thirty billion, three hundred twenty million, five hundred eleven thousand, twenty".