10563820 has 12 divisors (see below), whose sum is σ = 22184064. Its totient is φ = 4225520.

The previous prime is 10563811. The next prime is 10563821. The reversal of 10563820 is 2836501.

It is a happy number.

It is a super-2 number, since 2×10563820² = 223188585984800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10563821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264076 + ... + 264115.

It is an arithmetic number, because the mean of its divisors is an integer number (1848672).

Almost surely, 2^10563820 is an apocalyptic number.

10563820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10563820 is an abundant number, since it is smaller than the sum of its proper divisors (11620244).

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

10563820 is a wasteful number, since it uses less digits than its factorization.

10563820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528200 (or 528198 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 10563820 is about 3250.2030705788. The cubic root of 10563820 is about 219.4187134043.

The spelling of 10563820 in words is "ten million, five hundred sixty-three thousand, eight hundred twenty".