220200009985 has 8 divisors (see below), whose sum is σ = 264246129576. Its totient is φ = 176155929600.

The previous prime is 220200009947. The next prime is 220200010001. The reversal of 220200009985 is 589900002022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 51633927361 + 168566082624 = 227231^2 + 410568^2 .

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

It is not a de Polignac number, because 220200009985 - 2⁹ = 220200009473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261216 + ... + 713185.

It is an arithmetic number, because the mean of its divisors is an integer number (33030766197).

Almost surely, 2^220200009985 is an apocalyptic number.

It is an amenable number.

220200009985 is a deficient number, since it is larger than the sum of its proper divisors (44046119591).

220200009985 is an equidigital number, since it uses as much as digits as its factorization.

220200009985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019603.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 220200009985 in words is "two hundred twenty billion, two hundred million, nine thousand, nine hundred eighty-five".