30685059220 has 24 divisors (see below), whose sum is σ = 66517291008. Its totient is φ = 11878087200.

The previous prime is 30685059203. The next prime is 30685059257. The reversal of 30685059220 is 2295058603.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24745396 + ... + 24746635.

It is an arithmetic number, because the mean of its divisors is an integer number (2771553792).

Almost surely, 2^30685059220 is an apocalyptic number.

It is an amenable number.

30685059220 is an abundant number, since it is smaller than the sum of its proper divisors (35832231788).

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

30685059220 is a wasteful number, since it uses less digits than its factorization.

30685059220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49492071 (or 49492069 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 30685059220 in words is "thirty billion, six hundred eighty-five million, fifty-nine thousand, two hundred twenty".