20001202120200 has 192 divisors, whose sum is σ = 70901037936000. Its totient is φ = 4569146173440.

The previous prime is 20001202120199. The next prime is 20001202120219. The reversal of 20001202120200 is 202120210002.

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 47 ways as a sum of consecutive naturals, for example, 6182836 + ... + 8844764.

It is an arithmetic number, because the mean of its divisors is an integer number (369276239250).

Almost surely, 2^{20001202120200} is an apocalyptic number.

20001202120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20001202120200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35450518968000).

20001202120200 is an abundant number, since it is smaller than the sum of its proper divisors (50899835815800).

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

20001202120200 is a wasteful number, since it uses less digits than its factorization.

20001202120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663744 (or 2663735 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20001202120200 its reverse (202120210002), we get a palindrome (20203322330202).

The spelling of 20001202120200 in words is "twenty trillion, one billion, two hundred two million, one hundred twenty thousand, two hundred".