220320134 has 12 divisors (see below), whose sum is σ = 342271644. Its totient is φ = 106360632.

The previous prime is 220320127. The next prime is 220320167. The reversal of 220320134 is 431023022.

220320134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220320134² = 97081922891555912, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63812 + ... + 67175.

It is an arithmetic number, because the mean of its divisors is an integer number (28522637).

Almost surely, 2^220320134 is an apocalyptic number.

220320134 is a deficient number, since it is larger than the sum of its proper divisors (121951510).

220320134 is a wasteful number, since it uses less digits than its factorization.

220320134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131047 (or 131018 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 220320134 is about 14843.1847660804. The cubic root of 220320134 is about 603.9737481829.

Adding to 220320134 its reverse (431023022), we get a palindrome (651343156).

The spelling of 220320134 in words is "two hundred twenty million, three hundred twenty thousand, one hundred thirty-four".