220136501 has 8 divisors (see below), whose sum is σ = 239927520. Its totient is φ = 200753712.

The previous prime is 220136429. The next prime is 220136513. The reversal of 220136501 is 105631022.

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

It is a cyclic number.

It is not a de Polignac number, because 220136501 - 2¹⁸ = 219874357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220136531) by changing a digit.

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, 100931 + ... + 103088.

It is an arithmetic number, because the mean of its divisors is an integer number (29990940).

Almost surely, 2^220136501 is an apocalyptic number.

It is an amenable number.

220136501 is a deficient number, since it is larger than the sum of its proper divisors (19791019).

220136501 is a wasteful number, since it uses less digits than its factorization.

220136501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204115.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 220136501 is about 14836.9977084314. The cubic root of 220136501 is about 603.8059010033.

Adding to 220136501 its reverse (105631022), we get a palindrome (325767523).

The spelling of 220136501 in words is "two hundred twenty million, one hundred thirty-six thousand, five hundred one".