220315136 has 20 divisors (see below), whose sum is σ = 440200992. Its totient is φ = 110157312.

The previous prime is 220315133. The next prime is 220315153. The reversal of 220315136 is 631513022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220315133) by changing a digit.

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 as a sum of consecutive naturals, namely, 214640 + ... + 215663.

Almost surely, 2^220315136 is an apocalyptic number.

It is an amenable number.

220315136 is a deficient number, since it is larger than the sum of its proper divisors (219885856).

220315136 is an frugal number, since it uses more digits than its factorization.

220315136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430321 (or 430305 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 220315136 is about 14843.0164050303. The cubic root of 220315136 is about 603.9691810657.

Adding to 220315136 its reverse (631513022), we get a palindrome (851828158).

The spelling of 220315136 in words is "two hundred twenty million, three hundred fifteen thousand, one hundred thirty-six".