220136 has 16 divisors (see below), whose sum is σ = 471840. Its totient is φ = 94320.

The previous prime is 220123. The next prime is 220141. The reversal of 220136 is 631022.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a self number, because there is not a number n which added to its sum of digits gives 220136.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 220136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1910 + ... + 2021.

It is an arithmetic number, because the mean of its divisors is an integer number (29490).

2²²⁰¹³⁶ is an apocalyptic number.

It is an amenable number.

220136 is an abundant number, since it is smaller than the sum of its proper divisors (251704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220136 is a wasteful number, since it uses less digits than its factorization.

220136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944 (or 3940 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 220136 is about 469.1865300709. The cubic root of 220136 is about 60.3805442944.

Adding to 220136 its reverse (631022), we get a palindrome (851158).

The spelling of 220136 in words is "two hundred twenty thousand, one hundred thirty-six".