220386160 has 40 divisors (see below), whose sum is σ = 516953520. Its totient is φ = 87370752.

The previous prime is 220386157. The next prime is 220386163. The reversal of 220386160 is 61683022.

It is an interprime number because it is at equal distance from previous prime (220386157) and next prime (220386163).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220386163) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3150 + ... + 21229.

It is an arithmetic number, because the mean of its divisors is an integer number (12923838).

Almost surely, 2^220386160 is an apocalyptic number.

220386160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220386160 is an abundant number, since it is smaller than the sum of its proper divisors (296567360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220386160 is a wasteful number, since it uses less digits than its factorization.

220386160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24505 (or 24499 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 220386160 is about 14845.4087178494. The cubic root of 220386160 is about 604.0340755303.

The spelling of 220386160 in words is "two hundred twenty million, three hundred eighty-six thousand, one hundred sixty".