220134955 has 16 divisors (see below), whose sum is σ = 291864384. Its totient is φ = 158540800.

The previous prime is 220134953. The next prime is 220134973. The reversal of 220134955 is 559431022.

It is not a de Polignac number, because 220134955 - 2¹ = 220134953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220134953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54346 + ... + 58255.

It is an arithmetic number, because the mean of its divisors is an integer number (18241524).

Almost surely, 2^220134955 is an apocalyptic number.

220134955 is a deficient number, since it is larger than the sum of its proper divisors (71729429).

220134955 is a wasteful number, since it uses less digits than its factorization.

220134955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112646.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 220134955 is about 14836.9456088509. The cubic root of 220134955 is about 603.8044875074.

Adding to 220134955 its reverse (559431022), we get a palindrome (779565977).

The spelling of 220134955 in words is "two hundred twenty million, one hundred thirty-four thousand, nine hundred fifty-five".