13230020 has 24 divisors (see below), whose sum is σ = 27988800. Its totient is φ = 5252832.

The previous prime is 13230013. The next prime is 13230043. The reversal of 13230020 is 2003231.

It is a junction number, because it is equal to n+sod(n) for n = 13229983 and 13230010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401 + ... + 5159.

It is an arithmetic number, because the mean of its divisors is an integer number (1166200).

Almost surely, 2^13230020 is an apocalyptic number.

13230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13230020 is an abundant number, since it is smaller than the sum of its proper divisors (14758780).

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

13230020 is a wasteful number, since it uses less digits than its factorization.

13230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4907 (or 4905 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 13230020 is about 3637.3094451806. The cubic root of 13230020 is about 236.5121740728.

Adding to 13230020 its reverse (2003231), we get a palindrome (15233251).

The spelling of 13230020 in words is "thirteen million, two hundred thirty thousand, twenty".