9200920 has 64 divisors (see below), whose sum is σ = 22057920. Its totient is φ = 3446784.

The previous prime is 9200881. The next prime is 9200923. The reversal of 9200920 is 290029.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9200891 and 9200900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9200923) 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, 67092 + ... + 67228.

It is an arithmetic number, because the mean of its divisors is an integer number (344655).

Almost surely, 2^9200920 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 9200920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11028960).

9200920 is an abundant number, since it is smaller than the sum of its proper divisors (12857000).

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

9200920 is a wasteful number, since it uses less digits than its factorization.

9200920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 9200920 is about 3033.3018313383. The cubic root of 9200920 is about 209.5448949985.

Adding to 9200920 its reverse (290029), we get a palindrome (9490949).

It can be divided in two parts, 92009 and 20, that added together give a palindrome (92029).

The spelling of 9200920 in words is "nine million, two hundred thousand, nine hundred twenty".