220013334 has 40 divisors (see below), whose sum is σ = 494681880. Its totient is φ = 73086624.

The previous prime is 220013333. The next prime is 220013351. The reversal of 220013334 is 433310022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220013333) 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 19 ways as a sum of consecutive naturals, for example, 48537 + ... + 52875.

It is an arithmetic number, because the mean of its divisors is an integer number (12367047).

Almost surely, 2^220013334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220013334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247340940).

220013334 is an abundant number, since it is smaller than the sum of its proper divisors (274668546).

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

220013334 is a wasteful number, since it uses less digits than its factorization.

220013334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4666 (or 4657 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 220013334 is about 14832.8464564291. The cubic root of 220013334 is about 603.6932696204.

Adding to 220013334 its reverse (433310022), we get a palindrome (653323356).

The spelling of 220013334 in words is "two hundred twenty million, thirteen thousand, three hundred thirty-four".