30305982620 has 48 divisors (see below), whose sum is σ = 67448723328. Its totient is φ = 11398732800.

The previous prime is 30305982617. The next prime is 30305982653. The reversal of 30305982620 is 2628950303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330845 + ... + 412395.

It is an arithmetic number, because the mean of its divisors is an integer number (1405181736).

Almost surely, 2^30305982620 is an apocalyptic number.

It is an amenable number.

30305982620 is an abundant number, since it is smaller than the sum of its proper divisors (37142740708).

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

30305982620 is a wasteful number, since it uses less digits than its factorization.

30305982620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82670 (or 82668 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 30305982620 in words is "thirty billion, three hundred five million, nine hundred eighty-two thousand, six hundred twenty".