220054770 has 144 divisors (see below), whose sum is σ = 651537432. Its totient is φ = 51217920.

The previous prime is 220054741. The next prime is 220054801. The reversal of 220054770 is 77450022.

It can be written as a sum of positive squares in 4 ways, for example, as 113614281 + 106440489 = 10659^2 + 10317^2 .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 422110 + ... + 422630.

Almost surely, 2^220054770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220054770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325768716).

220054770 is an abundant number, since it is smaller than the sum of its proper divisors (431482662).

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

220054770 is a wasteful number, since it uses less digits than its factorization.

220054770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 220054770 is about 14834.2431556180. The cubic root of 220054770 is about 603.7311659055.

The spelling of 220054770 in words is "two hundred twenty million, fifty-four thousand, seven hundred seventy".