20473373 has 2 divisors, whose sum is σ = 20473374. Its totient is φ = 20473372.

The previous prime is 20473367. The next prime is 20473399. The reversal of 20473373 is 37337402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19123129 + 1350244 = 4373^2 + 1162^2 .

It is a cyclic number.

It is not a de Polignac number, because 20473373 - 2¹⁰ = 20472349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20473303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10236686 + 10236687.

It is an arithmetic number, because the mean of its divisors is an integer number (10236687).

Almost surely, 2^20473373 is an apocalyptic number.

It is an amenable number.

20473373 is a deficient number, since it is larger than the sum of its proper divisors (1).

20473373 is an equidigital number, since it uses as much as digits as its factorization.

20473373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 29.

The square root of 20473373 is about 4524.7511533785. The cubic root of 20473373 is about 273.5666378404.

The spelling of 20473373 in words is "twenty million, four hundred seventy-three thousand, three hundred seventy-three".