4020773 has 2 divisors, whose sum is σ = 4020774. Its totient is φ = 4020772.

The previous prime is 4020749. The next prime is 4020781. The reversal of 4020773 is 3770204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4008004 + 12769 = 2002^2 + 113^2 .

It is a cyclic number.

It is not a de Polignac number, because 4020773 - 2²⁰ = 2972197 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 (4020713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010386 + 2010387.

It is an arithmetic number, because the mean of its divisors is an integer number (2010387).

Almost surely, 2^4020773 is an apocalyptic number.

It is an amenable number.

4020773 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020773 is an equidigital number, since it uses as much as digits as its factorization.

4020773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 4020773 is about 2005.1865249896. The cubic root of 4020773 is about 159.0144232265.

Adding to 4020773 its reverse (3770204), we get a palindrome (7790977).

The spelling of 4020773 in words is "four million, twenty thousand, seven hundred seventy-three".