2000203321000 has 64 divisors (see below), whose sum is σ = 4926816648000. Its totient is φ = 757971777600.

The previous prime is 2000203320887. The next prime is 2000203321003. The reversal of 2000203321000 is 1233020002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2000203321003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52617930 + ... + 52655929.

It is an arithmetic number, because the mean of its divisors is an integer number (76981510125).

Almost surely, 2^{2000203321000} is an apocalyptic number.

2000203321000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000203321000 is an abundant number, since it is smaller than the sum of its proper divisors (2926613327000).

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

2000203321000 is a wasteful number, since it uses less digits than its factorization.

2000203321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105273899 (or 105273885 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 2000203321000 its reverse (1233020002), we get a palindrome (2001436341002).

The spelling of 2000203321000 in words is "two trillion, two hundred three million, three hundred twenty-one thousand".