20424301 has 2 divisors, whose sum is σ = 20424302. Its totient is φ = 20424300.

The previous prime is 20424277. The next prime is 20424307. The reversal of 20424301 is 10342402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10407076 + 10017225 = 3226^2 + 3165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20424301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20424307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10212150 + 10212151.

It is an arithmetic number, because the mean of its divisors is an integer number (10212151).

Almost surely, 2^20424301 is an apocalyptic number.

It is an amenable number.

20424301 is a deficient number, since it is larger than the sum of its proper divisors (1).

20424301 is an equidigital number, since it uses as much as digits as its factorization.

20424301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20424301 is about 4519.3252814994. The cubic root of 20424301 is about 273.3478951526.

Adding to 20424301 its reverse (10342402), we get a palindrome (30766703).

The spelling of 20424301 in words is "twenty million, four hundred twenty-four thousand, three hundred one".