2020451135 has 4 divisors (see below), whose sum is σ = 2424541368. Its totient is φ = 1616360904.

The previous prime is 2020451131. The next prime is 2020451159. The reversal of 2020451135 is 5311540202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5311540202 = 2 ⋅2655770101.

It is a cyclic number.

It is not a de Polignac number, because 2020451135 - 2² = 2020451131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020451135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020451131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202045109 + ... + 202045118.

It is an arithmetic number, because the mean of its divisors is an integer number (606135342).

Almost surely, 2^2020451135 is an apocalyptic number.

2020451135 is a deficient number, since it is larger than the sum of its proper divisors (404090233).

2020451135 is an equidigital number, since it uses as much as digits as its factorization.

2020451135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404090232.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2020451135 is about 44949.4286393053. The cubic root of 2020451135 is about 1264.2009639394.

Adding to 2020451135 its reverse (5311540202), we get a palindrome (7331991337).

The spelling of 2020451135 in words is "two billion, twenty million, four hundred fifty-one thousand, one hundred thirty-five".