2020913 has 2 divisors, whose sum is σ = 2020914. Its totient is φ = 2020912.

The previous prime is 2020891. The next prime is 2020933. The reversal of 2020913 is 3190202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1669264 + 351649 = 1292^2 + 593^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020913 - 2⁸ = 2020657 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2020891 and 2020900.

It is not a weakly prime, because it can be changed into another prime (2020933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010456 + 1010457.

It is an arithmetic number, because the mean of its divisors is an integer number (1010457).

2^2020913 is an apocalyptic number.

It is an amenable number.

2020913 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020913 is an equidigital number, since it uses as much as digits as its factorization.

2020913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2020913 is about 1421.5881963494. The cubic root of 2020913 is about 126.4297286601.

The spelling of 2020913 in words is "two million, twenty thousand, nine hundred thirteen".