220365066888 has 32 divisors (see below), whose sum is σ = 612125186400. Its totient is φ = 73455022224.

The previous prime is 220365066799. The next prime is 220365066893. The reversal of 220365066888 is 888660563022.

220365066888 is a `hidden beast` number, since 2 + 20 + 36 + 506 + 6 + 8 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510104106 + ... + 510104537.

It is an arithmetic number, because the mean of its divisors is an integer number (19128912075).

Almost surely, 2^220365066888 is an apocalyptic number.

It is an amenable number.

220365066888 is an abundant number, since it is smaller than the sum of its proper divisors (391760119512).

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

220365066888 is a wasteful number, since it uses less digits than its factorization.

220365066888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020208658 (or 1020208648 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 220365066888 in words is "two hundred twenty billion, three hundred sixty-five million, sixty-six thousand, eight hundred eighty-eight".