220105361065 has 8 divisors (see below), whose sum is σ = 264228863040. Its totient is φ = 176016002352.

The previous prime is 220105361023. The next prime is 220105361071. The reversal of 220105361065 is 560163501022.

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-220105361065 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8521629 + ... + 8547418.

It is an arithmetic number, because the mean of its divisors is an integer number (33028607880).

Almost surely, 2^220105361065 is an apocalyptic number.

It is an amenable number.

220105361065 is a deficient number, since it is larger than the sum of its proper divisors (44123501975).

220105361065 is a wasteful number, since it uses less digits than its factorization.

220105361065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17071631.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 220105361065 its reverse (560163501022), we get a palindrome (780268862087).

The spelling of 220105361065 in words is "two hundred twenty billion, one hundred five million, three hundred sixty-one thousand, sixty-five".