200120010121220 has 192 divisors, whose sum is σ = 497558148111360. Its totient is φ = 66152222976000.

The previous prime is 200120010121201. The next prime is 200120010121259. The reversal of 200120010121220 is 22121010021002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 200120010121195 and 200120010121204.

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, 10368365570 + ... + 10368384870.

It is an arithmetic number, because the mean of its divisors is an integer number (2591448688080).

Almost surely, 2^{200120010121220} is an apocalyptic number.

200120010121220 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 200120010121220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248779074055680).

200120010121220 is an abundant number, since it is smaller than the sum of its proper divisors (297438137990140).

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

200120010121220 is a wasteful number, since it uses less digits than its factorization.

200120010121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22854 (or 22852 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200120010121220 its reverse (22121010021002), we get a palindrome (222241020142222).

The spelling of 200120010121220 in words is "two hundred trillion, one hundred twenty billion, ten million, one hundred twenty-one thousand, two hundred twenty".