20113330 has 8 divisors (see below), whose sum is σ = 36204012. Its totient is φ = 8045328.

The previous prime is 20113319. The next prime is 20113337. The reversal of 20113330 is 3331102.

It can be written as a sum of positive squares in 2 ways, for example, as 19351201 + 762129 = 4399^2 + 873^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20113330.

It is not an unprimeable number, because it can be changed into a prime (20113337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005657 + ... + 1005676.

Almost surely, 2^20113330 is an apocalyptic number.

20113330 is a deficient number, since it is larger than the sum of its proper divisors (16090682).

20113330 is a wasteful number, since it uses less digits than its factorization.

20113330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011340.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 20113330 is about 4484.7887352695. The cubic root of 20113330 is about 271.9535045237.

Adding to 20113330 its reverse (3331102), we get a palindrome (23444432).

It can be divided in two parts, 201 and 13330, that added together give a palindrome (13531).

The spelling of 20113330 in words is "twenty million, one hundred thirteen thousand, three hundred thirty".