13130020 has 24 divisors (see below), whose sum is σ = 27720000. Its totient is φ = 5224032.

The previous prime is 13130009. The next prime is 13130027. The reversal of 13130020 is 2003131.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 13129979 and 13130006.

It is not an unprimeable number, because it can be changed into a prime (13130027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2331 + ... + 5629.

It is an arithmetic number, because the mean of its divisors is an integer number (1155000).

Almost surely, 2^13130020 is an apocalyptic number.

13130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13130020 is an abundant number, since it is smaller than the sum of its proper divisors (14589980).

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

13130020 is a wasteful number, since it uses less digits than its factorization.

13130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507 (or 3505 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 13130020 is about 3623.5369461343. The cubic root of 13130020 is about 235.9147686095.

Adding to 13130020 its reverse (2003131), we get a palindrome (15133151).

The spelling of 13130020 in words is "thirteen million, one hundred thirty thousand, twenty".