200020122100000 has 288 divisors, whose sum is σ = 493710441259392. Its totient is φ = 79763846400000.

The previous prime is 200020122099989. The next prime is 200020122100027. The reversal of 200020122100000 is 1221020002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 200020122100000.

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, 52183698084 + ... + 52183701916.

It is an arithmetic number, because the mean of its divisors is an integer number (1714272365484).

Almost surely, 2^{200020122100000} is an apocalyptic number.

200020122100000 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 200020122100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246855220629696).

200020122100000 is an abundant number, since it is smaller than the sum of its proper divisors (293690319159392).

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

200020122100000 is an frugal number, since it uses more digits than its factorization.

200020122100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5326 (or 5298 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 200020122100000 its reverse (1221020002), we get a palindrome (200021343120002).

The spelling of 200020122100000 in words is "two hundred trillion, twenty billion, one hundred twenty-two million, one hundred thousand".