2020404404 has 12 divisors (see below), whose sum is σ = 3570715428. Its totient is φ = 1000200000.

The previous prime is 2020404403. The next prime is 2020404409. The reversal of 2020404404 is 4044040202.

It can be written as a sum of positive squares in 2 ways, for example, as 1984524304 + 35880100 = 44548^2 + 5990^2 .

2020404404 is a modest number, since divided by 404404 gives 2020 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020404403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500097 + ... + 2500904.

It is an arithmetic number, because the mean of its divisors is an integer number (297559619).

Almost surely, 2^2020404404 is an apocalyptic number.

It is an amenable number.

2020404404 is a deficient number, since it is larger than the sum of its proper divisors (1550311024).

2020404404 is a wasteful number, since it uses less digits than its factorization.

2020404404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001106 (or 5001104 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2020404404 is about 44948.9088187911. The cubic root of 2020404404 is about 1264.1912172992.

Adding to 2020404404 its reverse (4044040202), we get a palindrome (6064444606).

The spelling of 2020404404 in words is "two billion, twenty million, four hundred four thousand, four hundred four".