20414453 has 4 divisors (see below), whose sum is σ = 20424768. Its totient is φ = 20404140.

The previous prime is 20414441. The next prime is 20414473. The reversal of 20414453 is 35441402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20414453 - 2⁴ = 20414437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20414473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151 + ... + 6492.

It is an arithmetic number, because the mean of its divisors is an integer number (5106192).

Almost surely, 2^20414453 is an apocalyptic number.

It is an amenable number.

20414453 is a deficient number, since it is larger than the sum of its proper divisors (10315).

20414453 is an equidigital number, since it uses as much as digits as its factorization.

20414453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10314.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 20414453 is about 4518.2356069599. The cubic root of 20414453 is about 273.3039546387.

Adding to 20414453 its reverse (35441402), we get a palindrome (55855855).

The spelling of 20414453 in words is "twenty million, four hundred fourteen thousand, four hundred fifty-three".