220120303020985 has 8 divisors (see below), whose sum is σ = 264253649681736. Its totient is φ = 176023385045760.

The previous prime is 220120303020953. The next prime is 220120303020997. The reversal of 220120303020985 is 589020303021022.

It can be written as a sum of positive squares in 4 ways, for example, as 39623953099536 + 180496349921449 = 6294756^2 + 13434893^2 .

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

It is not a de Polignac number, because 220120303020985 - 2⁵ = 220120303020953 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, 9107158086 + ... + 9107182255.

It is an arithmetic number, because the mean of its divisors is an integer number (33031706210217).

Almost surely, 2^{220120303020985} is an apocalyptic number.

It is an amenable number.

220120303020985 is a deficient number, since it is larger than the sum of its proper divisors (44133346660751).

220120303020985 is a wasteful number, since it uses less digits than its factorization.

220120303020985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18214342763.

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 220120303020985 its sum of digits (37), we get a palindrome (220120303021022).

The spelling of 220120303020985 in words is "two hundred twenty trillion, one hundred twenty billion, three hundred three million, twenty thousand, nine hundred eighty-five".