220855370 has 8 divisors (see below), whose sum is σ = 397539684. Its totient is φ = 88342144.

The previous prime is 220855367. The next prime is 220855403. The reversal of 220855370 is 73558022.

It can be written as a sum of positive squares in 2 ways, for example, as 219958561 + 896809 = 14831^2 + 947^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11042759 + ... + 11042778.

Almost surely, 2^220855370 is an apocalyptic number.

220855370 is a deficient number, since it is larger than the sum of its proper divisors (176684314).

220855370 is a wasteful number, since it uses less digits than its factorization.

220855370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22085544.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 220855370 is about 14861.2035178851. The cubic root of 220855370 is about 604.4624417064.

The spelling of 220855370 in words is "two hundred twenty million, eight hundred fifty-five thousand, three hundred seventy".