220545898 has 8 divisors (see below), whose sum is σ = 330909120. Its totient is φ = 110242860.

The previous prime is 220545889. The next prime is 220545931. The reversal of 220545898 is 898545022.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4368 + ... + 21451.

It is an arithmetic number, because the mean of its divisors is an integer number (41363640).

Almost surely, 2^220545898 is an apocalyptic number.

220545898 is a deficient number, since it is larger than the sum of its proper divisors (110363222).

220545898 is a wasteful number, since it uses less digits than its factorization.

220545898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30092.

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 220545898 is about 14850.7877905517. The cubic root of 220545898 is about 604.1799768472.

The spelling of 220545898 in words is "two hundred twenty million, five hundred forty-five thousand, eight hundred ninety-eight".