2004900020 has 12 divisors (see below), whose sum is σ = 4210290084. Its totient is φ = 801960000.

The previous prime is 2004900013. The next prime is 2004900071. The reversal of 2004900020 is 200094002.

It can be written as a sum of positive squares in 2 ways, for example, as 673817764 + 1331082256 = 25958^2 + 36484^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50122481 + ... + 50122520.

It is an arithmetic number, because the mean of its divisors is an integer number (350857507).

Almost surely, 2^2004900020 is an apocalyptic number.

2004900020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2004900020 is an abundant number, since it is smaller than the sum of its proper divisors (2205390064).

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

2004900020 is a wasteful number, since it uses less digits than its factorization.

2004900020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100245010 (or 100245008 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2004900020 is about 44776.1099248249. The cubic root of 2004900020 is about 1260.9491504564.

Adding to 2004900020 its reverse (200094002), we get a palindrome (2204994022).

The spelling of 2004900020 in words is "two billion, four million, nine hundred thousand, twenty".