10280320 has 32 divisors (see below), whose sum is σ = 24577920. Its totient is φ = 4111872.

The previous prime is 10280293. The next prime is 10280321. The reversal of 10280320 is 2308201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 10280294 and 10280303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10280321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7392 + ... + 8671.

It is an arithmetic number, because the mean of its divisors is an integer number (768060).

Almost surely, 2^10280320 is an apocalyptic number.

10280320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10280320 is an abundant number, since it is smaller than the sum of its proper divisors (14297600).

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

10280320 is an equidigital number, since it uses as much as digits as its factorization.

10280320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16082 (or 16070 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 10280320 is about 3206.2938106169. The cubic root of 10280320 is about 217.4380499128.

Adding to 10280320 its reverse (2308201), we get a palindrome (12588521).

The spelling of 10280320 in words is "ten million, two hundred eighty thousand, three hundred twenty".