220336836 has 48 divisors (see below), whose sum is σ = 520224768. Its totient is φ = 72580000.

The previous prime is 220336811. The next prime is 220336931. The reversal of 220336836 is 638633022.

220336836 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220336797 and 220336806.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575101 + ... + 575483.

It is an arithmetic number, because the mean of its divisors is an integer number (10838016).

Almost surely, 2^220336836 is an apocalyptic number.

It is an amenable number.

220336836 is an abundant number, since it is smaller than the sum of its proper divisors (299887932).

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

220336836 is a wasteful number, since it uses less digits than its factorization.

220336836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 220336836 is about 14843.7473705261. The cubic root of 220336836 is about 603.9890097850.

Adding to 220336836 its reverse (638633022), we get a palindrome (858969858).

The spelling of 220336836 in words is "two hundred twenty million, three hundred thirty-six thousand, eight hundred thirty-six".