220135042 has 8 divisors (see below), whose sum is σ = 330411132. Its totient is φ = 109998000.

The previous prime is 220135039. The next prime is 220135049. The reversal of 220135042 is 240531022.

It can be written as a sum of positive squares in 2 ways, for example, as 205320241 + 14814801 = 14329^2 + 3849^2 .

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

It is not an unprimeable number, because it can be changed into a prime (220135049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30709 + ... + 37192.

Almost surely, 2^220135042 is an apocalyptic number.

220135042 is a deficient number, since it is larger than the sum of its proper divisors (110276090).

220135042 is a wasteful number, since it uses less digits than its factorization.

220135042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69524.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 220135042 is about 14836.9485407209. The cubic root of 220135042 is about 603.8045670510.

Adding to 220135042 its reverse (240531022), we get a palindrome (460666064).

The spelling of 220135042 in words is "two hundred twenty million, one hundred thirty-five thousand, forty-two".