20002000321000 has 128 divisors (see below), whose sum is σ = 50966985888000. Its totient is φ = 7318336032000.

The previous prime is 20002000320997. The next prime is 20002000321013. The reversal of 20002000321000 is 12300020002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17599636 + ... + 18701635.

It is an arithmetic number, because the mean of its divisors is an integer number (398179577250).

Almost surely, 2^{20002000321000} is an apocalyptic number.

20002000321000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002000321000 is an abundant number, since it is smaller than the sum of its proper divisors (30964985567000).

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

20002000321000 is a wasteful number, since it uses less digits than its factorization.

20002000321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36301340 (or 36301326 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 20002000321000 its reverse (12300020002), we get a palindrome (20014300341002).

The spelling of 20002000321000 in words is "twenty trillion, two billion, three hundred twenty-one thousand".