220108833 has 30 divisors (see below), whose sum is σ = 382493826. Its totient is φ = 125774208.

The previous prime is 220108831. The next prime is 220108871. The reversal of 220108833 is 338801022.

It can be written as a sum of positive squares in only one way, i.e., 113358609 + 106750224 = 10647^2 + 10332^2 .

It is not a de Polignac number, because 220108833 - 2¹ = 220108831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 220108797 and 220108806.

It is not an unprimeable number, because it can be changed into a prime (220108831) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 23760 + ... + 31697.

Almost surely, 2^220108833 is an apocalyptic number.

It is an amenable number.

220108833 is a deficient number, since it is larger than the sum of its proper divisors (162384993).

220108833 is an equidigital number, since it uses as much as digits as its factorization.

220108833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55483 (or 55467 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 220108833 is about 14836.0652802554. The cubic root of 220108833 is about 603.7806033637.

Adding to 220108833 its reverse (338801022), we get a palindrome (558909855).

The spelling of 220108833 in words is "two hundred twenty million, one hundred eight thousand, eight hundred thirty-three".