220963963534128 has 100 divisors (see below), whose sum is σ = 639569333884008. Its totient is φ = 73650564092160.

The previous prime is 220963963534103. The next prime is 220963963534163. The reversal of 220963963534128 is 821435369369022.

It is a happy number.

220963963534128 is a `hidden beast` number, since 2 + 2 + 0 + 9 + 6 + 3 + 96 + 3 + 534 + 1 + 2 + 8 = 666.

It is a super-2 number, since 2×220963963534128² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18655875 + ... + 28106397.

Almost surely, 2^{220963963534128} is an apocalyptic number.

It is an amenable number.

220963963534128 is an abundant number, since it is smaller than the sum of its proper divisors (418605370349880).

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

220963963534128 is a wasteful number, since it uses less digits than its factorization.

220963963534128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9468584 (or 9468569 counting only the distinct ones).

The product of its (nonzero) digits is 100776960, while the sum is 63.

The spelling of 220963963534128 in words is "two hundred twenty trillion, nine hundred sixty-three billion, nine hundred sixty-three million, five hundred thirty-four thousand, one hundred twenty-eight".