2000403820 has 12 divisors (see below), whose sum is σ = 4200848064. Its totient is φ = 800161520.

The previous prime is 2000403803. The next prime is 2000403869. The reversal of 2000403820 is 283040002.

It is a happy 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, 50010076 + ... + 50010115.

It is an arithmetic number, because the mean of its divisors is an integer number (350070672).

Almost surely, 2^2000403820 is an apocalyptic number.

2000403820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000403820 is an abundant number, since it is smaller than the sum of its proper divisors (2200444244).

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

2000403820 is a wasteful number, since it uses less digits than its factorization.

2000403820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100020200 (or 100020198 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2000403820 is about 44725.8741669741. The cubic root of 2000403820 is about 1260.0058410748.

Adding to 2000403820 its reverse (283040002), we get a palindrome (2283443822).

The spelling of 2000403820 in words is "two billion, four hundred three thousand, eight hundred twenty".