220030332985 has 8 divisors (see below), whose sum is σ = 264044997576. Its totient is φ = 176018534400.

The previous prime is 220030332959. The next prime is 220030332997. The reversal of 220030332985 is 589233030022.

220030332985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4522697001 + 215507635984 = 67251^2 + 464228^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220030332985 - 2²⁹ = 219493462073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 543816 + ... + 857785.

It is an arithmetic number, because the mean of its divisors is an integer number (33005624697).

Almost surely, 2^220030332985 is an apocalyptic number.

It is an amenable number.

220030332985 is a deficient number, since it is larger than the sum of its proper divisors (44014664591).

220030332985 is a wasteful number, since it uses less digits than its factorization.

220030332985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433003.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 220030332985 in words is "two hundred twenty billion, thirty million, three hundred thirty-two thousand, nine hundred eighty-five".