220212020220985 has 8 divisors (see below), whose sum is σ = 284581687670280. Its totient is φ = 162618107240064.

The previous prime is 220212020220971. The next prime is 220212020220989. The reversal of 220212020220985 is 589022020212022.

It can be written as a sum of positive squares in 4 ways, for example, as 51075206542864 + 169136813678121 = 7146692^2 + 13005261^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220212020220985 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220212020220989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1693938617020 + ... + 1693938617149.

It is an arithmetic number, because the mean of its divisors is an integer number (35572710958785).

Almost surely, 2^{220212020220985} is an apocalyptic number.

It is an amenable number.

220212020220985 is a deficient number, since it is larger than the sum of its proper divisors (64369667449295).

220212020220985 is a wasteful number, since it uses less digits than its factorization.

220212020220985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387877234187.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 220212020220985 in words is "two hundred twenty trillion, two hundred twelve billion, twenty million, two hundred twenty thousand, nine hundred eighty-five".