2000323321020 has 144 divisors (see below), whose sum is σ = 6364226913408. Its totient is φ = 507960115200.

The previous prime is 2000323320937. The next prime is 2000323321049. The reversal of 2000323321020 is 201233230002.

It is a happy number.

2000323321020 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 323 + 321 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2000323320984 and 2000323321002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2882181 + ... + 3508220.

It is an arithmetic number, because the mean of its divisors is an integer number (44196020232).

Almost surely, 2^{2000323321020} is an apocalyptic number.

2000323321020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000323321020 is an abundant number, since it is smaller than the sum of its proper divisors (4363903592388).

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

2000323321020 is a wasteful number, since it uses less digits than its factorization.

2000323321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6390500 (or 6390495 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 2000323321020 its reverse (201233230002), we get a palindrome (2201556551022).

The spelling of 2000323321020 in words is "two trillion, three hundred twenty-three million, three hundred twenty-one thousand, twenty".