220066426443 has 32 divisors (see below), whose sum is σ = 317890621440. Its totient is φ = 134986309920.

The previous prime is 220066426417. The next prime is 220066426451. The reversal of 220066426443 is 344624660022.

It is not a de Polignac number, because 220066426443 - 2⁶ = 220066426379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220066426043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134655 + ... + 676952.

It is an arithmetic number, because the mean of its divisors is an integer number (9934081920).

Almost surely, 2^220066426443 is an apocalyptic number.

220066426443 is a deficient number, since it is larger than the sum of its proper divisors (97824194997).

220066426443 is a wasteful number, since it uses less digits than its factorization.

220066426443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811767.

The product of its (nonzero) digits is 331776, while the sum is 39.

The spelling of 220066426443 in words is "two hundred twenty billion, sixty-six million, four hundred twenty-six thousand, four hundred forty-three".