10243420 has 48 divisors (see below), whose sum is σ = 23750496. Its totient is φ = 3680000.

The previous prime is 10243411. The next prime is 10243421. The reversal of 10243420 is 2434201.

10243420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10243394 and 10243403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10243421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21990 + ... + 22450.

It is an arithmetic number, because the mean of its divisors is an integer number (494802).

Almost surely, 2^10243420 is an apocalyptic number.

10243420 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 10243420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11875248).

10243420 is an abundant number, since it is smaller than the sum of its proper divisors (13507076).

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

10243420 is a wasteful number, since it uses less digits than its factorization.

10243420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 10243420 is about 3200.5343303892. The cubic root of 10243420 is about 217.1775819186.

Adding to 10243420 its reverse (2434201), we get a palindrome (12677621).

It can be divided in two parts, 1024 and 3420, that added together give a palindrome (4444).

The spelling of 10243420 in words is "ten million, two hundred forty-three thousand, four hundred twenty".