220243242 has 32 divisors (see below), whose sum is σ = 444787200. Its totient is φ = 72701888.

The previous prime is 220243241. The next prime is 220243259. The reversal of 220243242 is 242342022.

It is not an unprimeable number, because it can be changed into a prime (220243241) 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 15 ways as a sum of consecutive naturals, for example, 459559 + ... + 460037.

It is an arithmetic number, because the mean of its divisors is an integer number (13899600).

Almost surely, 2^220243242 is an apocalyptic number.

220243242 is an abundant number, since it is smaller than the sum of its proper divisors (224543958).

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

220243242 is a wasteful number, since it uses less digits than its factorization.

220243242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 220243242 is about 14840.5943951043. The cubic root of 220243242 is about 603.9034774783.

Adding to 220243242 its reverse (242342022), we get a palindrome (462585264).

The spelling of 220243242 in words is "two hundred twenty million, two hundred forty-three thousand, two hundred forty-two".