10565420 has 24 divisors (see below), whose sum is σ = 22904448. Its totient is φ = 4089600.

The previous prime is 10565417. The next prime is 10565437. The reversal of 10565420 is 2456501.

It is a super-2 number, since 2×10565420² = 223256199552800, which contains 22 as substring.

It is a nialpdrome in base 15.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7901 + ... + 9140.

It is an arithmetic number, because the mean of its divisors is an integer number (954352).

Almost surely, 2^10565420 is an apocalyptic number.

10565420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10565420 is an abundant number, since it is smaller than the sum of its proper divisors (12339028).

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

10565420 is a wasteful number, since it uses less digits than its factorization.

10565420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17081 (or 17079 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 10565420 is about 3250.4491997261. The cubic root of 10565420 is about 219.4297905910.

The spelling of 10565420 in words is "ten million, five hundred sixty-five thousand, four hundred twenty".