9720204 has 36 divisors (see below), whose sum is σ = 24564456. Its totient is φ = 2990208.

The previous prime is 9720203. The next prime is 9720223. The reversal of 9720204 is 4020279.

It is not an unprimeable number, because it can be changed into a prime (9720203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369 + ... + 4424.

It is an arithmetic number, because the mean of its divisors is an integer number (682346).

Almost surely, 2^9720204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9720204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12282228).

9720204 is an abundant number, since it is smaller than the sum of its proper divisors (14844252).

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

9720204 is a wasteful number, since it uses less digits than its factorization.

9720204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4826 (or 4811 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 9720204 is about 3117.7241699676. The cubic root of 9720204 is about 213.4150912759.

It can be divided in two parts, 97 and 20204, that added together give a triangular number (20301 = T₂₀₁).

The spelling of 9720204 in words is "nine million, seven hundred twenty thousand, two hundred four".