220545444206 has 8 divisors (see below), whose sum is σ = 330821077944. Its totient is φ = 110271751560.

The previous prime is 220545444199. The next prime is 220545444263. The reversal of 220545444206 is 602444545022.

220545444206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 220545444206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156740 + ... + 682391.

It is an arithmetic number, because the mean of its divisors is an integer number (41352634743).

Almost surely, 2^220545444206 is an apocalyptic number.

220545444206 is a deficient number, since it is larger than the sum of its proper divisors (110275633738).

220545444206 is a wasteful number, since it uses less digits than its factorization.

220545444206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970546.

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 220545444206 its reverse (602444545022), we get a palindrome (822989989228).

The spelling of 220545444206 in words is "two hundred twenty billion, five hundred forty-five million, four hundred forty-four thousand, two hundred six".