220162682689 has 4 divisors (see below), whose sum is σ = 225532504260. Its totient is φ = 214792861120.

The previous prime is 220162682683. The next prime is 220162682711. The reversal of 220162682689 is 986286261022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 986286261022 = 2 ⋅493143130511.

It can be written as a sum of positive squares in 2 ways, for example, as 120058785025 + 100103897664 = 346495^2 + 316392^2 .

It is a cyclic number.

It is not a de Polignac number, because 220162682689 - 2⁵ = 220162682657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220162682683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2684910724 + ... + 2684910805.

It is an arithmetic number, because the mean of its divisors is an integer number (56383126065).

Almost surely, 2^220162682689 is an apocalyptic number.

It is an amenable number.

220162682689 is a deficient number, since it is larger than the sum of its proper divisors (5369821571).

220162682689 is an equidigital number, since it uses as much as digits as its factorization.

220162682689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5369821570.

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 220162682689 in words is "two hundred twenty billion, one hundred sixty-two million, six hundred eighty-two thousand, six hundred eighty-nine".