220136853 has 8 divisors (see below), whose sum is σ = 296365888. Its totient is φ = 145332864.

The previous prime is 220136843. The next prime is 220136857. The reversal of 220136853 is 358631022.

220136853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220136853 - 2⁵ = 220136821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220136853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220136857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355900 + ... + 356517.

It is an arithmetic number, because the mean of its divisors is an integer number (37045736).

Almost surely, 2^220136853 is an apocalyptic number.

It is an amenable number.

220136853 is a deficient number, since it is larger than the sum of its proper divisors (76229035).

220136853 is a wasteful number, since it uses less digits than its factorization.

220136853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712523.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 220136853 is about 14837.0095706648. The cubic root of 220136853 is about 603.8062228333.

Adding to 220136853 its reverse (358631022), we get a palindrome (578767875).

The spelling of 220136853 in words is "two hundred twenty million, one hundred thirty-six thousand, eight hundred fifty-three".