12200420 has 24 divisors (see below), whose sum is σ = 25726848. Its totient is φ = 4860000.

The previous prime is 12200399. The next prime is 12200431. The reversal of 12200420 is 2400221.

12200420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4295 + ... + 6545.

It is an arithmetic number, because the mean of its divisors is an integer number (1071952).

Almost surely, 2^12200420 is an apocalyptic number.

12200420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200420 is an abundant number, since it is smaller than the sum of its proper divisors (13526428).

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

12200420 is a wasteful number, since it uses less digits than its factorization.

12200420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531 (or 2529 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 12200420 is about 3492.9099616223. The cubic root of 12200420 is about 230.2103934943.

Adding to 12200420 its reverse (2400221), we get a palindrome (14600641).

The spelling of 12200420 in words is "twelve million, two hundred thousand, four hundred twenty".