10321320 has 32 divisors (see below), whose sum is σ = 30964320. Its totient is φ = 2752320.

The previous prime is 10321309. The next prime is 10321331. The reversal of 10321320 is 2312301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10321309) and next prime (10321331).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10321296 and 10321305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42886 + ... + 43125.

It is an arithmetic number, because the mean of its divisors is an integer number (967635).

Almost surely, 2^10321320 is an apocalyptic number.

10321320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10321320 is an abundant number, since it is smaller than the sum of its proper divisors (20643000).

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

10321320 is a wasteful number, since it uses less digits than its factorization.

10321320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86025 (or 86021 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 10321320 is about 3212.6811232987. The cubic root of 10321320 is about 217.7267288216.

Adding to 10321320 its reverse (2312301), we get a palindrome (12633621).

The spelling of 10321320 in words is "ten million, three hundred twenty-one thousand, three hundred twenty".