220363234663 has 16 divisors (see below), whose sum is σ = 265885262496. Its totient is φ = 179922349440.

The previous prime is 220363234657. The next prime is 220363234711. The reversal of 220363234663 is 366432363022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220363234663 is a prime.

It is a super-2 number, since 2×220363234663² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220363234603) 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, 20819056 + ... + 20829637.

It is an arithmetic number, because the mean of its divisors is an integer number (16617828906).

Almost surely, 2^220363234663 is an apocalyptic number.

220363234663 is a deficient number, since it is larger than the sum of its proper divisors (45522027833).

220363234663 is a wasteful number, since it uses less digits than its factorization.

220363234663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41648754.

The product of its (nonzero) digits is 559872, while the sum is 40.

Adding to 220363234663 its reverse (366432363022), we get a palindrome (586795597685).

The spelling of 220363234663 in words is "two hundred twenty billion, three hundred sixty-three million, two hundred thirty-four thousand, six hundred sixty-three".