2020513 has 4 divisors (see below), whose sum is σ = 2204208. Its totient is φ = 1836820.

The previous prime is 2020511. The next prime is 2020537. The reversal of 2020513 is 3150202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2020513 - 2¹ = 2020511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020493 and 2020502.

It is not an unprimeable number, because it can be changed into a prime (2020511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91831 + ... + 91852.

It is an arithmetic number, because the mean of its divisors is an integer number (551052).

2^2020513 is an apocalyptic number.

It is an amenable number.

2020513 is a deficient number, since it is larger than the sum of its proper divisors (183695).

2020513 is a wasteful number, since it uses less digits than its factorization.

2020513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183694.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 2020513 is about 1421.4475016686. The cubic root of 2020513 is about 126.4213866832.

Adding to 2020513 its reverse (3150202), we get a palindrome (5170715).

The spelling of 2020513 in words is "two million, twenty thousand, five hundred thirteen".