220420174 has 16 divisors (see below), whose sum is σ = 365688288. Its totient is φ = 98982432.

The previous prime is 220420169. The next prime is 220420219. The reversal of 220420174 is 471024022.

It is a happy number.

It is a super-3 number, since 3×220420174³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 113602 + ... + 115525.

It is an arithmetic number, because the mean of its divisors is an integer number (22855518).

Almost surely, 2^220420174 is an apocalyptic number.

220420174 is a deficient number, since it is larger than the sum of its proper divisors (145268114).

220420174 is a wasteful number, since it uses less digits than its factorization.

220420174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229179.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 220420174 is about 14846.5542803709. The cubic root of 220420174 is about 604.0651491061.

Adding to 220420174 its reverse (471024022), we get a palindrome (691444196).

The spelling of 220420174 in words is "two hundred twenty million, four hundred twenty thousand, one hundred seventy-four".