9420206320 has 80 divisors (see below), whose sum is σ = 25061253120. Its totient is φ = 3225860352.

The previous prime is 9420206317. The next prime is 9420206357. The reversal of 9420206320 is 236020249.

9420206320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×9420206320² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471249 + ... + 490831.

It is an arithmetic number, because the mean of its divisors is an integer number (313265664).

Almost surely, 2^9420206320 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 9420206320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12530626560).

9420206320 is an abundant number, since it is smaller than the sum of its proper divisors (15641046800).

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

9420206320 is a wasteful number, since it uses less digits than its factorization.

9420206320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20462 (or 20456 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 9420206320 is about 97057.7473466183. The cubic root of 9420206320 is about 2111.9654290618.

Adding to 9420206320 its reverse (236020249), we get a palindrome (9656226569).

The spelling of 9420206320 in words is "nine billion, four hundred twenty million, two hundred six thousand, three hundred twenty".