12300020 has 24 divisors (see below), whose sum is σ = 25941384. Its totient is φ = 4898816.

The previous prime is 12300017. The next prime is 12300037. The reversal of 12300020 is 2000321.

It can be written as a sum of positive squares in 4 ways, for example, as 1304164 + 10995856 = 1142^2 + 3316^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12299980 and 12300007.

It is a congruent number.

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, 3944 + ... + 6336.

It is an arithmetic number, because the mean of its divisors is an integer number (1080891).

Almost surely, 2^12300020 is an apocalyptic number.

12300020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12300020 is an abundant number, since it is smaller than the sum of its proper divisors (13641364).

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

12300020 is a wasteful number, since it uses less digits than its factorization.

12300020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2659 (or 2657 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 12300020 is about 3507.1384346786. The cubic root of 12300020 is about 230.8351490891.

Adding to 12300020 its reverse (2000321), we get a palindrome (14300341).

The spelling of 12300020 in words is "twelve million, three hundred thousand, twenty".