2003520000 has 200 divisors, whose sum is σ = 6672938976. Its totient is φ = 534016000.

The previous prime is 2003519977. The next prime is 2003520017. The reversal of 2003520000 is 253002.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 958957 + ... + 961043.

Almost surely, 2^2003520000 is an apocalyptic number.

2003520000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2003520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3336469488).

2003520000 is an abundant number, since it is smaller than the sum of its proper divisors (4669418976).

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

2003520000 is an frugal number, since it uses more digits than its factorization.

2003520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128 (or 2097 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 2003520000 is about 44760.6970455108. The cubic root of 2003520000 is about 1260.6597703642.

Adding to 2003520000 its reverse (253002), we get a palindrome (2003773002).

The spelling of 2003520000 in words is "two billion, three million, five hundred twenty thousand".