13330020 has 96 divisors (see below), whose sum is σ = 42900480. Its totient is φ = 3058560.

The previous prime is 13330007. The next prime is 13330061. The reversal of 13330020 is 2003331.

It is a happy number.

13330020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 13329978 and 13330005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12009 + ... + 13071.

It is an arithmetic number, because the mean of its divisors is an integer number (446880).

Almost surely, 2^13330020 is an apocalyptic number.

13330020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13330020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21450240).

13330020 is an abundant number, since it is smaller than the sum of its proper divisors (29570460).

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

13330020 is a wasteful number, since it uses less digits than its factorization.

13330020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 13330020 is about 3651.0299916599. The cubic root of 13330020 is about 237.1065767169.

Adding to 13330020 its reverse (2003331), we get a palindrome (15333351).

It can be divided in two parts, 13 and 330020, that added together give a palindrome (330033).

The spelling of 13330020 in words is "thirteen million, three hundred thirty thousand, twenty".