9620920 has 32 divisors (see below), whose sum is σ = 22007520. Its totient is φ = 3784320.

The previous prime is 9620917. The next prime is 9620927. The reversal of 9620920 is 290269.

9620920 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 not an unprimeable number, because it can be changed into a prime (9620927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469 + ... + 4411.

It is an arithmetic number, because the mean of its divisors is an integer number (687735).

Almost surely, 2^9620920 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 9620920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11003760).

9620920 is an abundant number, since it is smaller than the sum of its proper divisors (12386600).

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

9620920 is a wasteful number, since it uses less digits than its factorization.

9620920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015 (or 4011 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 9620920 is about 3101.7607902609. The cubic root of 9620920 is about 212.6859825071.

The spelling of 9620920 in words is "nine million, six hundred twenty thousand, nine hundred twenty".