30820516008 has 32 divisors (see below), whose sum is σ = 77202698400. Its totient is φ = 10253317568.

The previous prime is 30820516007. The next prime is 30820516019. The reversal of 30820516008 is 80061502803.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30820516008.

It is not an unprimeable number, because it can be changed into a prime (30820516007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1249266 + ... + 1273697.

It is an arithmetic number, because the mean of its divisors is an integer number (2412584325).

Almost surely, 2^30820516008 is an apocalyptic number.

It is an amenable number.

30820516008 is an abundant number, since it is smaller than the sum of its proper divisors (46382182392).

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

30820516008 is a wasteful number, since it uses less digits than its factorization.

30820516008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523481 (or 2523477 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 30820516008 in words is "thirty billion, eight hundred twenty million, five hundred sixteen thousand, eight".