210020120201320 has 256 divisors, whose sum is σ = 558129424527360. Its totient is φ = 70119941760000.

The previous prime is 210020120201267. The next prime is 210020120201321. The reversal of 210020120201320 is 23102021020012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210020120201294 and 210020120201303.

It is not an unprimeable number, because it can be changed into a prime (210020120201321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 815892235 + ... + 816149605.

It is an arithmetic number, because the mean of its divisors is an integer number (2180193064560).

Almost surely, 2^{210020120201320} is an apocalyptic number.

210020120201320 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 210020120201320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279064712263680).

210020120201320 is an abundant number, since it is smaller than the sum of its proper divisors (348109304326040).

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

210020120201320 is a wasteful number, since it uses less digits than its factorization.

210020120201320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258168 (or 258164 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210020120201320 its reverse (23102021020012), we get a palindrome (233122141221332).

The spelling of 210020120201320 in words is "two hundred ten trillion, twenty billion, one hundred twenty million, two hundred one thousand, three hundred twenty".