10563420 has 72 divisors (see below), whose sum is σ = 34416144. Its totient is φ = 2413824.

The previous prime is 10563407. The next prime is 10563433. The reversal of 10563420 is 2436501.

It is a happy number.

10563420 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10563407) and next prime (10563433).

It is a super-2 number, since 2×10563420² = 223171684192800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1144 + ... + 4736.

It is an arithmetic number, because the mean of its divisors is an integer number (478002).

Almost surely, 2^10563420 is an apocalyptic number.

10563420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10563420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17208072).

10563420 is an abundant number, since it is smaller than the sum of its proper divisors (23852724).

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

10563420 is a wasteful number, since it uses less digits than its factorization.

10563420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619 (or 3610 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 10563420 is about 3250.1415353797. The cubic root of 10563420 is about 219.4159439329.

Adding to 10563420 its reverse (2436501), we get a palindrome (12999921).

The spelling of 10563420 in words is "ten million, five hundred sixty-three thousand, four hundred twenty".