220613056 has 28 divisors (see below), whose sum is σ = 456815952. Its totient is φ = 105509888.

The previous prime is 220613051. The next prime is 220613059. The reversal of 220613056 is 650316022.

220613056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220613056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220613051) 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 in 3 ways as a sum of consecutive naturals, for example, 73465 + ... + 76408.

Almost surely, 2^220613056 is an apocalyptic number.

It is an amenable number.

220613056 is an abundant number, since it is smaller than the sum of its proper divisors (236202896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220613056 is a wasteful number, since it uses less digits than its factorization.

220613056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149908 (or 149898 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 220613056 is about 14853.0487106183. The cubic root of 220613056 is about 604.2412965112.

Adding to 220613056 its reverse (650316022), we get a palindrome (870929078).

The spelling of 220613056 in words is "two hundred twenty million, six hundred thirteen thousand, fifty-six".