220554145360 has 20 divisors (see below), whose sum is σ = 512788388148. Its totient is φ = 88221658112.

The previous prime is 220554145349. The next prime is 220554145363. The reversal of 220554145360 is 63541455022.

It can be written as a sum of positive squares in 2 ways, for example, as 92742175296 + 127811970064 = 304536^2 + 357508^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220554145363) 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 3 ways as a sum of consecutive naturals, for example, 1378463329 + ... + 1378463488.

Almost surely, 2^220554145360 is an apocalyptic number.

220554145360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220554145360 is an abundant number, since it is smaller than the sum of its proper divisors (292234242788).

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

220554145360 is a wasteful number, since it uses less digits than its factorization.

220554145360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756926830 (or 2756926824 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 220554145360 in words is "two hundred twenty billion, five hundred fifty-four million, one hundred forty-five thousand, three hundred sixty".