20334473 has 2 divisors, whose sum is σ = 20334474. Its totient is φ = 20334472.

The previous prime is 20334451. The next prime is 20334491. The reversal of 20334473 is 37443302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16386304 + 3948169 = 4048^2 + 1987^2 .

It is a cyclic number.

It is not a de Polignac number, because 20334473 - 2⁸ = 20334217 is a prime.

It is not a weakly prime, because it can be changed into another prime (20334403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10167236 + 10167237.

It is an arithmetic number, because the mean of its divisors is an integer number (10167237).

Almost surely, 2^20334473 is an apocalyptic number.

It is an amenable number.

20334473 is a deficient number, since it is larger than the sum of its proper divisors (1).

20334473 is an equidigital number, since it uses as much as digits as its factorization.

20334473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 26.

The square root of 20334473 is about 4509.3761209285. The cubic root of 20334473 is about 272.9465696220.

Adding to 20334473 its reverse (37443302), we get a palindrome (57777775).

The spelling of 20334473 in words is "twenty million, three hundred thirty-four thousand, four hundred seventy-three".