12202420 has 48 divisors (see below), whose sum is σ = 27433728. Its totient is φ = 4547840.

The previous prime is 12202381. The next prime is 12202423. The reversal of 12202420 is 2420221.

12202420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12202420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18537 + ... + 19183.

It is an arithmetic number, because the mean of its divisors is an integer number (571536).

Almost surely, 2^12202420 is an apocalyptic number.

12202420 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 12202420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13716864).

12202420 is an abundant number, since it is smaller than the sum of its proper divisors (15231308).

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

12202420 is a wasteful number, since it uses less digits than its factorization.

12202420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 12202420 is about 3493.1962441294. The cubic root of 12202420 is about 230.2229721769. Note that the first 3 decimals are identical.

Adding to 12202420 its reverse (2420221), we get a palindrome (14622641).

The spelling of 12202420 in words is "twelve million, two hundred two thousand, four hundred twenty".