1009320380 has 48 divisors (see below), whose sum is σ = 2169478080. Its totient is φ = 394329600.

The previous prime is 1009320359. The next prime is 1009320383. The reversal of 1009320380 is 830239001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009320383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151520 + ... + 158040.

It is an arithmetic number, because the mean of its divisors is an integer number (45197460).

Almost surely, 2^1009320380 is an apocalyptic number.

1009320380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1009320380 is an abundant number, since it is smaller than the sum of its proper divisors (1160157700).

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

1009320380 is a wasteful number, since it uses less digits than its factorization.

1009320380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6710 (or 6708 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1009320380 is about 31769.8029581551. The cubic root of 1009320380 is about 1003.0971908389.

Adding to 1009320380 its reverse (830239001), we get a palindrome (1839559381).

The spelling of 1009320380 in words is "one billion, nine million, three hundred twenty thousand, three hundred eighty".