220136201 has 4 divisors (see below), whose sum is σ = 221106192. Its totient is φ = 219166212.

The previous prime is 220136183. The next prime is 220136207. The reversal of 220136201 is 102631022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220136201 - 2¹⁰ = 220135177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220136201.

It is not an unprimeable number, because it can be changed into a prime (220136207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484655 + ... + 485108.

It is an arithmetic number, because the mean of its divisors is an integer number (55276548).

Almost surely, 2^220136201 is an apocalyptic number.

It is an amenable number.

220136201 is a deficient number, since it is larger than the sum of its proper divisors (969991).

220136201 is an equidigital number, since it uses as much as digits as its factorization.

220136201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969990.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 220136201 is about 14836.9875985660. The cubic root of 220136201 is about 603.8056267161.

Adding to 220136201 its reverse (102631022), we get a palindrome (322767223).

The spelling of 220136201 in words is "two hundred twenty million, one hundred thirty-six thousand, two hundred one".