2020004 has 24 divisors (see below), whose sum is σ = 4253760. Its totient is φ = 819936.

The previous prime is 2020003. The next prime is 2020019. The reversal of 2020004 is 4000202.

It is a junction number, because it is equal to n+sod(n) for n = 2019973 and 2020000.

It is not an unprimeable number, because it can be changed into a prime (2020001) 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 7 ways as a sum of consecutive naturals, for example, 1367 + ... + 2430.

It is an arithmetic number, because the mean of its divisors is an integer number (177240).

2^2020004 is an apocalyptic number.

It is an amenable number.

2020004 is an abundant number, since it is smaller than the sum of its proper divisors (2233756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020004 is a wasteful number, since it uses less digits than its factorization.

2020004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3827 (or 3825 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 2020004 is about 1421.2684475496. The cubic root of 2020004 is about 126.4107699257.

Adding to 2020004 its reverse (4000202), we get a palindrome (6020206).

The spelling of 2020004 in words is "two million, twenty thousand, four".