220866387024192 has 504 divisors, whose sum is σ = 736377168661056. Its totient is φ = 58228335599616.

The previous prime is 220866387024187. The next prime is 220866387024193. The reversal of 220866387024192 is 291420783668022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220866387024193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4415271693 + ... + 4415321715.

Almost surely, 2^{220866387024192} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220866387024192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368188584330528).

220866387024192 is an abundant number, since it is smaller than the sum of its proper divisors (515510781636864).

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

220866387024192 is a wasteful number, since it uses less digits than its factorization.

220866387024192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52855 (or 52825 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 60.

The spelling of 220866387024192 in words is "two hundred twenty trillion, eight hundred sixty-six billion, three hundred eighty-seven million, twenty-four thousand, one hundred ninety-two".