220302342 has 112 divisors (see below), whose sum is σ = 545363280. Its totient is φ = 66298176.

The previous prime is 220302331. The next prime is 220302343. The reversal of 220302342 is 243203022.

220302342 is a `hidden beast` number, since 2 + 20 + 302 + 342 = 666.

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 (220302343) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1118188 + ... + 1118384.

It is an arithmetic number, because the mean of its divisors is an integer number (4869315).

Almost surely, 2^220302342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220302342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272681640).

220302342 is an abundant number, since it is smaller than the sum of its proper divisors (325060938).

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

220302342 is a wasteful number, since it uses less digits than its factorization.

220302342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 220302342 is about 14842.5854216845. The cubic root of 220302342 is about 603.9574897351.

Adding to 220302342 its reverse (243203022), we get a palindrome (463505364).

The spelling of 220302342 in words is "two hundred twenty million, three hundred two thousand, three hundred forty-two".