220054521 has 8 divisors (see below), whose sum is σ = 300229600. Its totient is φ = 143291232.

The previous prime is 220054507. The next prime is 220054537. The reversal of 220054521 is 125450022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220054521 - 2¹¹ = 220052473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220054921) 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 7 ways as a sum of consecutive naturals, for example, 852796 + ... + 853053.

It is an arithmetic number, because the mean of its divisors is an integer number (37528700).

Almost surely, 2^220054521 is an apocalyptic number.

It is an amenable number.

220054521 is a deficient number, since it is larger than the sum of its proper divisors (80175079).

220054521 is a wasteful number, since it uses less digits than its factorization.

220054521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705895.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 220054521 is about 14834.2347628720. The cubic root of 220054521 is about 603.7309381908.

The spelling of 220054521 in words is "two hundred twenty million, fifty-four thousand, five hundred twenty-one".