220255078 has 8 divisors (see below), whose sum is σ = 332600400. Its totient is φ = 109388280.

The previous prime is 220255069. The next prime is 220255103. The reversal of 220255078 is 870552022.

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

It is a congruent number.

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, 369258 + ... + 369853.

It is an arithmetic number, because the mean of its divisors is an integer number (41575050).

Almost surely, 2^220255078 is an apocalyptic number.

220255078 is a deficient number, since it is larger than the sum of its proper divisors (112345322).

220255078 is a wasteful number, since it uses less digits than its factorization.

220255078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739262.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 220255078 is about 14840.9931608366. The cubic root of 220255078 is about 603.9142953260.

The spelling of 220255078 in words is "two hundred twenty million, two hundred fifty-five thousand, seventy-eight".