2020531045 has 24 divisors (see below), whose sum is σ = 2689577352. Its totient is φ = 1455667200.

The previous prime is 2020531013. The next prime is 2020531061. The reversal of 2020531045 is 5401350202.

It can be written as a sum of positive squares in 12 ways, for example, as 2001399169 + 19131876 = 44737^2 + 4374^2 .

It is not a de Polignac number, because 2020531045 - 2⁵ = 2020531013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 5485 + ... + 63805.

It is an arithmetic number, because the mean of its divisors is an integer number (112065723).

Almost surely, 2^2020531045 is an apocalyptic number.

It is an amenable number.

2020531045 is a deficient number, since it is larger than the sum of its proper divisors (669046307).

2020531045 is a wasteful number, since it uses less digits than its factorization.

2020531045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58393 (or 58380 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2020531045 is about 44950.3175183446. The cubic root of 2020531045 is about 1264.2176303438.

Adding to 2020531045 its reverse (5401350202), we get a palindrome (7421881247).

The spelling of 2020531045 in words is "two billion, twenty million, five hundred thirty-one thousand, forty-five".