30935682920 has 16 divisors (see below), whose sum is σ = 69605286660. Its totient is φ = 12374273152.

The previous prime is 30935682887. The next prime is 30935682929. The reversal of 30935682920 is 2928653903.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30826229476 + 109453444 = 175574^2 + 10462^2 .

It is not an unprimeable number, because it can be changed into a prime (30935682929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386695997 + ... + 386696076.

Almost surely, 2^30935682920 is an apocalyptic number.

It is an amenable number.

30935682920 is an abundant number, since it is smaller than the sum of its proper divisors (38669603740).

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

30935682920 is a wasteful number, since it uses less digits than its factorization.

30935682920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773392084 (or 773392080 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 30935682920 in words is "thirty billion, nine hundred thirty-five million, six hundred eighty-two thousand, nine hundred twenty".