220402042 has 32 divisors (see below), whose sum is σ = 404224128. Its totient is φ = 87975936.

The previous prime is 220402009. The next prime is 220402067. The reversal of 220402042 is 240204022.

220402042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18313 + ... + 27859.

It is an arithmetic number, because the mean of its divisors is an integer number (12632004).

Almost surely, 2^220402042 is an apocalyptic number.

220402042 is a deficient number, since it is larger than the sum of its proper divisors (183822086).

220402042 is a wasteful number, since it uses less digits than its factorization.

220402042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9670.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 220402042 is about 14845.9436210704. The cubic root of 220402042 is about 604.0485849695.

Adding to 220402042 its reverse (240204022), we get a palindrome (460606064).

The spelling of 220402042 in words is "two hundred twenty million, four hundred two thousand, forty-two".