220242205465 has 32 divisors (see below), whose sum is σ = 272489817600. Its totient is φ = 170793826560.

The previous prime is 220242205457. The next prime is 220242205487. The reversal of 220242205465 is 564502242022.

It is not a de Polignac number, because 220242205465 - 2³ = 220242205457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220242205465.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19802176 + ... + 19813294.

It is an arithmetic number, because the mean of its divisors is an integer number (8515306800).

Almost surely, 2^220242205465 is an apocalyptic number.

It is an amenable number.

220242205465 is a deficient number, since it is larger than the sum of its proper divisors (52247612135).

220242205465 is a wasteful number, since it uses less digits than its factorization.

220242205465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11857.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 220242205465 its reverse (564502242022), we get a palindrome (784744447487).

The spelling of 220242205465 in words is "two hundred twenty billion, two hundred forty-two million, two hundred five thousand, four hundred sixty-five".