220445443102 has 64 divisors (see below), whose sum is σ = 360443913984. Its totient is φ = 100738193920.

The previous prime is 220445443061. The next prime is 220445443189. The reversal of 220445443102 is 201344544022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39553188 + ... + 39558760.

It is an arithmetic number, because the mean of its divisors is an integer number (5631936156).

Almost surely, 2^220445443102 is an apocalyptic number.

220445443102 is a deficient number, since it is larger than the sum of its proper divisors (139998470882).

220445443102 is a wasteful number, since it uses less digits than its factorization.

220445443102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5913.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 220445443102 its reverse (201344544022), we get a palindrome (421789987124).

The spelling of 220445443102 in words is "two hundred twenty billion, four hundred forty-five million, four hundred forty-three thousand, one hundred two".