12202320 has 80 divisors (see below), whose sum is σ = 40747392. Its totient is φ = 3002880.

The previous prime is 12202319. The next prime is 12202331. The reversal of 12202320 is 2320221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×12202320² = 297793226764800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12202296 and 12202305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1165 + ... + 5075.

Almost surely, 2^12202320 is an apocalyptic number.

12202320 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 12202320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20373696).

12202320 is an abundant number, since it is smaller than the sum of its proper divisors (28545072).

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

12202320 is a wasteful number, since it uses less digits than its factorization.

12202320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3940 (or 3934 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 12202320 is about 3493.1819305613. The cubic root of 12202320 is about 230.2223432754. Note that the first 3 decimals are identical.

Adding to 12202320 its reverse (2320221), we get a palindrome (14522541).

The spelling of 12202320 in words is "twelve million, two hundred two thousand, three hundred twenty".