220314240 has 192 divisors, whose sum is σ = 794327040. Its totient is φ = 56162304.

The previous prime is 220314233. The next prime is 220314251. The reversal of 220314240 is 42413022.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 131649 + ... + 133311.

It is an arithmetic number, because the mean of its divisors is an integer number (4137120).

Almost surely, 2^220314240 is an apocalyptic number.

220314240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220314240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397163520).

220314240 is an abundant number, since it is smaller than the sum of its proper divisors (574012800).

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

220314240 is a wasteful number, since it uses less digits than its factorization.

220314240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711 (or 1696 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 220314240 is about 14842.9862224554. The cubic root of 220314240 is about 603.9683623035.

Adding to 220314240 its reverse (42413022), we get a palindrome (262727262).

The spelling of 220314240 in words is "two hundred twenty million, three hundred fourteen thousand, two hundred forty".