10520810 has 24 divisors (see below), whose sum is σ = 19422180. Its totient is φ = 4103232.

The previous prime is 10520791. The next prime is 10520837. The reversal of 10520810 is 1802501.

It can be written as a sum of positive squares in 2 ways, for example, as 9853321 + 667489 = 3139^2 + 817^2 .

It is a super-3 number, since 3×10520810³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18206 + ... + 18774.

Almost surely, 2^10520810 is an apocalyptic number.

10520810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10520810 is a deficient number, since it is larger than the sum of its proper divisors (8901370).

10520810 is an equidigital number, since it uses as much as digits as its factorization.

10520810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 10520810 is about 3243.5798124911. The cubic root of 10520810 is about 219.1205246939.

The spelling of 10520810 in words is "ten million, five hundred twenty thousand, eight hundred ten".