10501320 has 32 divisors (see below), whose sum is σ = 31504320. Its totient is φ = 2800320.

The previous prime is 10501313. The next prime is 10501321. The reversal of 10501320 is 2310501.

It is a super-2 number, since 2×10501320² = 220555443484800, which contains 22 as substring.

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 = 10501296 and 10501305.

It is not an unprimeable number, because it can be changed into a prime (10501321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43636 + ... + 43875.

It is an arithmetic number, because the mean of its divisors is an integer number (984510).

Almost surely, 2^10501320 is an apocalyptic number.

10501320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10501320 is an abundant number, since it is smaller than the sum of its proper divisors (21003000).

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

10501320 is a wasteful number, since it uses less digits than its factorization.

10501320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87525 (or 87521 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 10501320 is about 3240.5740232249. The cubic root of 10501320 is about 218.9851327452.

Adding to 10501320 its reverse (2310501), we get a palindrome (12811821).

The spelling of 10501320 in words is "ten million, five hundred one thousand, three hundred twenty".