220243827 has 8 divisors (see below), whose sum is σ = 294776064. Its totient is φ = 146270408.

The previous prime is 220243811. The next prime is 220243831. The reversal of 220243827 is 728342022.

220243827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220243827 - 2⁴ = 220243811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220243794 and 220243803.

It is not an unprimeable number, because it can be changed into a prime (220243897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138783 + ... + 140360.

It is an arithmetic number, because the mean of its divisors is an integer number (36847008).

Almost surely, 2^220243827 is an apocalyptic number.

220243827 is a deficient number, since it is larger than the sum of its proper divisors (74532237).

220243827 is a wasteful number, since it uses less digits than its factorization.

220243827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279409.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 220243827 is about 14840.6141045443. The cubic root of 220243827 is about 603.9040121648.

Adding to 220243827 its reverse (728342022), we get a palindrome (948585849).

The spelling of 220243827 in words is "two hundred twenty million, two hundred forty-three thousand, eight hundred twenty-seven".