2003489620 has 24 divisors (see below), whose sum is σ = 4589813088. Its totient is φ = 728541600.

The previous prime is 2003489617. The next prime is 2003489629. The reversal of 2003489620 is 269843002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003489629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4553166 + ... + 4553605.

It is an arithmetic number, because the mean of its divisors is an integer number (191242212).

Almost surely, 2^2003489620 is an apocalyptic number.

2003489620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003489620 is an abundant number, since it is smaller than the sum of its proper divisors (2586323468).

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

2003489620 is a wasteful number, since it uses less digits than its factorization.

2003489620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106791 (or 9106789 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 2003489620 is about 44760.3576840043. The cubic root of 2003489620 is about 1260.6533984059.

The spelling of 2003489620 in words is "two billion, three million, four hundred eighty-nine thousand, six hundred twenty".