220255550 has 12 divisors (see below), whose sum is σ = 409675416. Its totient is φ = 88102200.

The previous prime is 220255531. The next prime is 220255573. The reversal of 220255550 is 55552022.

220255550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2202506 + ... + 2202605.

It is an arithmetic number, because the mean of its divisors is an integer number (34139618).

Almost surely, 2^220255550 is an apocalyptic number.

220255550 is a deficient number, since it is larger than the sum of its proper divisors (189419866).

220255550 is a wasteful number, since it uses less digits than its factorization.

220255550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405123 (or 4405118 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 220255550 is about 14841.0090627289. The cubic root of 220255550 is about 603.9147267158.

The spelling of 220255550 in words is "two hundred twenty million, two hundred fifty-five thousand, five hundred fifty".