20314453 has 2 divisors, whose sum is σ = 20314454. Its totient is φ = 20314452.

The previous prime is 20314429. The next prime is 20314487. The reversal of 20314453 is 35441302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14922769 + 5391684 = 3863^2 + 2322^2 .

It is a cyclic number.

It is not a de Polignac number, because 20314453 - 2⁹ = 20313941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20314253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10157226 + 10157227.

It is an arithmetic number, because the mean of its divisors is an integer number (10157227).

Almost surely, 2^20314453 is an apocalyptic number.

It is an amenable number.

20314453 is a deficient number, since it is larger than the sum of its proper divisors (1).

20314453 is an equidigital number, since it uses as much as digits as its factorization.

20314453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 20314453 is about 4507.1557550189. The cubic root of 20314453 is about 272.8569650606.

Adding to 20314453 its reverse (35441302), we get a palindrome (55755755).

The spelling of 20314453 in words is "twenty million, three hundred fourteen thousand, four hundred fifty-three".