220050385 has 8 divisors (see below), whose sum is σ = 264690216. Its totient is φ = 175620480.

The previous prime is 220050377. The next prime is 220050401. The reversal of 220050385 is 583050022.

It can be written as a sum of positive squares in 4 ways, for example, as 32798529 + 187251856 = 5727^2 + 13684^2 .

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

It is not a de Polignac number, because 220050385 - 2³ = 220050377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50164 + ... + 54373.

It is an arithmetic number, because the mean of its divisors is an integer number (33086277).

Almost surely, 2^220050385 is an apocalyptic number.

It is an amenable number.

220050385 is a deficient number, since it is larger than the sum of its proper divisors (44639831).

220050385 is a wasteful number, since it uses less digits than its factorization.

220050385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104963.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 220050385 is about 14834.0953549585. The cubic root of 220050385 is about 603.7271557240.

The spelling of 220050385 in words is "two hundred twenty million, fifty thousand, three hundred eighty-five".