20412303 has 8 divisors (see below), whose sum is σ = 27255216. Its totient is φ = 13588800.

The previous prime is 20412277. The next prime is 20412319. The reversal of 20412303 is 30321402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20412303 - 2⁸ = 20412047 is a prime.

It is a super-2 number, since 2×20412303² = 833324227527618, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20412503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2188 + ... + 6753.

It is an arithmetic number, because the mean of its divisors is an integer number (3406902).

Almost surely, 2^20412303 is an apocalyptic number.

20412303 is a deficient number, since it is larger than the sum of its proper divisors (6842913).

20412303 is an equidigital number, since it uses as much as digits as its factorization.

20412303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9705.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20412303 is about 4517.9976759622. The cubic root of 20412303 is about 273.2943597350.

Adding to 20412303 its reverse (30321402), we get a palindrome (50733705).

Subtracting 20412303 from its reverse (30321402), we obtain a palindrome (9909099).

The spelling of 20412303 in words is "twenty million, four hundred twelve thousand, three hundred three".