220663607536 has 40 divisors (see below), whose sum is σ = 455213967120. Its totient is φ = 103261553664.

The previous prime is 220663607533. The next prime is 220663607537. The reversal of 220663607536 is 635706366022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220663607533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2217411 + ... + 2314786.

It is an arithmetic number, because the mean of its divisors is an integer number (11380349178).

Almost surely, 2^220663607536 is an apocalyptic number.

It is an amenable number.

220663607536 is an abundant number, since it is smaller than the sum of its proper divisors (234550359584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220663607536 is a wasteful number, since it uses less digits than its factorization.

220663607536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4532401 (or 4532395 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 46.

The spelling of 220663607536 in words is "two hundred twenty billion, six hundred sixty-three million, six hundred seven thousand, five hundred thirty-six".