2020511 has 2 divisors, whose sum is σ = 2020512. Its totient is φ = 2020510.

The previous prime is 2020507. The next prime is 2020537. The reversal of 2020511 is 1150202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2020511 - 2² = 2020507 is a prime.

It is a super-2 number, since 2×2020511² = 8164929402242, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020492 and 2020501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010255 + 1010256.

It is an arithmetic number, because the mean of its divisors is an integer number (1010256).

2^2020511 is an apocalyptic number.

2020511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020511 is an equidigital number, since it uses as much as digits as its factorization.

2020511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 2020511 is about 1421.4467981602. The cubic root of 2020511 is about 126.4213449706.

Adding to 2020511 its reverse (1150202), we get a palindrome (3170713).

The spelling of 2020511 in words is "two million, twenty thousand, five hundred eleven".