220514385 has 64 divisors (see below), whose sum is σ = 440391168. Its totient is φ = 91736064.

The previous prime is 220514381. The next prime is 220514401. The reversal of 220514385 is 583415022.

It is not a de Polignac number, because 220514385 - 2² = 220514381 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220514381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98539 + ... + 100751.

It is an arithmetic number, because the mean of its divisors is an integer number (6881112).

Almost surely, 2^220514385 is an apocalyptic number.

It is an amenable number.

220514385 is a deficient number, since it is larger than the sum of its proper divisors (219876783).

220514385 is a wasteful number, since it uses less digits than its factorization.

220514385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 220514385 is about 14849.7267651631. The cubic root of 220514385 is about 604.1511991178.

It can be divided in two parts, 220 and 514385, that added together give a triangular number (514605 = T₁₀₁₄).

The spelling of 220514385 in words is "two hundred twenty million, five hundred fourteen thousand, three hundred eighty-five".