20412324 has 45 divisors (see below), whose sum is σ = 53575291. Its totient is φ = 6777000.

The previous prime is 20412319. The next prime is 20412349. The reversal of 20412324 is 42321402.

The square root of 20412324 is 4518.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20412297 and 20412306.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 81199 + ... + 81449.

Almost surely, 2^20412324 is an apocalyptic number.

20412324 is the 4518-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20412324

20412324 is an abundant number, since it is smaller than the sum of its proper divisors (33162967).

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

20412324 is an equidigital number, since it uses as much as digits as its factorization.

20412324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The cubic root of 20412324 is about 273.2944534559.

Adding to 20412324 its reverse (42321402), we get a palindrome (62733726).

It can be divided in two parts, 20412 and 324, that added together give a 4-th power (20736 = 12⁴).

The spelling of 20412324 in words is "twenty million, four hundred twelve thousand, three hundred twenty-four".