30252705220 has 12 divisors (see below), whose sum is σ = 63530681004. Its totient is φ = 12101082080.

The previous prime is 30252705209. The next prime is 30252705247. The reversal of 30252705220 is 2250725203.

It can be written as a sum of positive squares in 2 ways, for example, as 12665701764 + 17587003456 = 112542^2 + 132616^2 .

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 3 ways as a sum of consecutive naturals, for example, 756317611 + ... + 756317650.

It is an arithmetic number, because the mean of its divisors is an integer number (5294223417).

Almost surely, 2^30252705220 is an apocalyptic number.

It is an amenable number.

30252705220 is an abundant number, since it is smaller than the sum of its proper divisors (33277975784).

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

30252705220 is a wasteful number, since it uses less digits than its factorization.

30252705220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512635270 (or 1512635268 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The spelling of 30252705220 in words is "thirty billion, two hundred fifty-two million, seven hundred five thousand, two hundred twenty".