20314451 has 4 divisors (see below), whose sum is σ = 21197712. Its totient is φ = 19431192.

The previous prime is 20314429. The next prime is 20314453. The reversal of 20314451 is 15441302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20314451 - 2¹⁴ = 20298067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20314453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441596 + ... + 441641.

It is an arithmetic number, because the mean of its divisors is an integer number (5299428).

Almost surely, 2^20314451 is an apocalyptic number.

20314451 is a deficient number, since it is larger than the sum of its proper divisors (883261).

20314451 is an equidigital number, since it uses as much as digits as its factorization.

20314451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883260.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 20314451 is about 4507.1555331495. The cubic root of 20314451 is about 272.8569561062.

Adding to 20314451 its reverse (15441302), we get a palindrome (35755753).

The spelling of 20314451 in words is "twenty million, three hundred fourteen thousand, four hundred fifty-one".