220600136 has 8 divisors (see below), whose sum is σ = 413625270. Its totient is φ = 110300064.

The previous prime is 220600111. The next prime is 220600141. The reversal of 220600136 is 631006022.

It can be written as a sum of positive squares in only one way, i.e., 210424036 + 10176100 = 14506^2 + 3190^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13787501 + ... + 13787516.

Almost surely, 2^220600136 is an apocalyptic number.

It is an amenable number.

220600136 is a deficient number, since it is larger than the sum of its proper divisors (193025134).

220600136 is a wasteful number, since it uses less digits than its factorization.

220600136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27575023 (or 27575019 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 220600136 is about 14852.6137767061. The cubic root of 220600136 is about 604.2295006696.

Adding to 220600136 its reverse (631006022), we get a palindrome (851606158).

The spelling of 220600136 in words is "two hundred twenty million, six hundred thousand, one hundred thirty-six".