220342042 has 8 divisors (see below), whose sum is σ = 331932276. Its totient is φ = 109697952.

The previous prime is 220342033. The next prime is 220342051. The reversal of 220342042 is 240243022.

It is an interprime number because it is at equal distance from previous prime (220342033) and next prime (220342051).

It can be written as a sum of positive squares in 2 ways, for example, as 215766721 + 4575321 = 14689^2 + 2139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235953 + ... + 236884.

Almost surely, 2^220342042 is an apocalyptic number.

220342042 is a deficient number, since it is larger than the sum of its proper divisors (111590234).

220342042 is a wasteful number, since it uses less digits than its factorization.

220342042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473072.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 220342042 is about 14843.9227295213. The cubic root of 220342042 is about 603.9937666564.

Adding to 220342042 its reverse (240243022), we get a palindrome (460585064).

The spelling of 220342042 in words is "two hundred twenty million, three hundred forty-two thousand, forty-two".