10505420 has 48 divisors (see below), whose sum is σ = 22915200. Its totient is φ = 4043520.

The previous prime is 10505413. The next prime is 10505437. The reversal of 10505420 is 2450501.

It is a super-2 number, since 2×10505420² = 220727698752800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96326 + ... + 96434.

It is an arithmetic number, because the mean of its divisors is an integer number (477400).

Almost surely, 2^10505420 is an apocalyptic number.

10505420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10505420 is an abundant number, since it is smaller than the sum of its proper divisors (12409780).

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

10505420 is a wasteful number, since it uses less digits than its factorization.

10505420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 10505420 is about 3241.2065654629. The cubic root of 10505420 is about 219.0136282811.

Adding to 10505420 its reverse (2450501), we get a palindrome (12955921).

The spelling of 10505420 in words is "ten million, five hundred five thousand, four hundred twenty".