20414573 has 2 divisors, whose sum is σ = 20414574. Its totient is φ = 20414572.

The previous prime is 20414561. The next prime is 20414621. The reversal of 20414573 is 37541402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19166884 + 1247689 = 4378^2 + 1117^2 .

It is a cyclic number.

It is not a de Polignac number, because 20414573 - 2⁴ = 20414557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20414503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10207286 + 10207287.

It is an arithmetic number, because the mean of its divisors is an integer number (10207287).

Almost surely, 2^20414573 is an apocalyptic number.

It is an amenable number.

20414573 is a deficient number, since it is larger than the sum of its proper divisors (1).

20414573 is an equidigital number, since it uses as much as digits as its factorization.

20414573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 20414573 is about 4518.2488864603. The cubic root of 20414573 is about 273.3044901483.

Adding to 20414573 its reverse (37541402), we get a palindrome (57955975).

The spelling of 20414573 in words is "twenty million, four hundred fourteen thousand, five hundred seventy-three".