2003442000320 has 28 divisors (see below), whose sum is σ = 4770696264024. Its totient is φ = 801376800000.

The previous prime is 2003442000289. The next prime is 2003442000323. The reversal of 2003442000320 is 230002443002.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2003442000292 and 2003442000301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003442000323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3130377806 + ... + 3130378445.

Almost surely, 2^{2003442000320} is an apocalyptic number.

2003442000320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003442000320 is an abundant number, since it is smaller than the sum of its proper divisors (2767254263704).

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

2003442000320 is an equidigital number, since it uses as much as digits as its factorization.

2003442000320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260756268 (or 6260756258 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 2003442000320 its reverse (230002443002), we get a palindrome (2233444443322).

The spelling of 2003442000320 in words is "two trillion, three billion, four hundred forty-two million, three hundred twenty", and thus it is an aban number.