220672601565 has 16 divisors (see below), whose sum is σ = 380235867648. Its totient is φ = 108638819136.

The previous prime is 220672601563. The next prime is 220672601603. The reversal of 220672601565 is 565106276022.

It is not a de Polignac number, because 220672601565 - 2¹ = 220672601563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220672601563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565826989 + ... + 565827378.

It is an arithmetic number, because the mean of its divisors is an integer number (23764741728).

Almost surely, 2^220672601565 is an apocalyptic number.

It is an amenable number.

220672601565 is a deficient number, since it is larger than the sum of its proper divisors (159563266083).

220672601565 is a wasteful number, since it uses less digits than its factorization.

220672601565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131654388.

The product of its (nonzero) digits is 302400, while the sum is 42.

Adding to 220672601565 its reverse (565106276022), we get a palindrome (785778877587).

The spelling of 220672601565 in words is "two hundred twenty billion, six hundred seventy-two million, six hundred one thousand, five hundred sixty-five".