20000320221000 has 256 divisors, whose sum is σ = 72319875563520. Its totient is φ = 4507114080000.

The previous prime is 20000320220983. The next prime is 20000320221043. The reversal of 20000320221000 is 12202300002.

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 63 ways as a sum of consecutive naturals, for example, 5216016 + ... + 8198015.

It is an arithmetic number, because the mean of its divisors is an integer number (282499513920).

Almost surely, 2^{20000320221000} is an apocalyptic number.

20000320221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000320221000 is an abundant number, since it is smaller than the sum of its proper divisors (52319555342520).

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

20000320221000 is a wasteful number, since it uses less digits than its factorization.

20000320221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13414133 (or 13414119 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20000320221000 its reverse (12202300002), we get a palindrome (20012522521002).

The spelling of 20000320221000 in words is "twenty trillion, three hundred twenty million, two hundred twenty-one thousand".