20100002100210 has 32 divisors (see below), whose sum is σ = 53600005601280. Its totient is φ = 5360000559984.

The previous prime is 20100002100187. The next prime is 20100002100221. The reversal of 20100002100210 is 1200120000102.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20100002100192 and 20100002100201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37222225842 + ... + 37222226381.

It is an arithmetic number, because the mean of its divisors is an integer number (1675000175040).

Almost surely, 2^{20100002100210} is an apocalyptic number.

20100002100210 is an abundant number, since it is smaller than the sum of its proper divisors (33500003501070).

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

20100002100210 is a wasteful number, since it uses less digits than its factorization.

20100002100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74444452239 (or 74444452233 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20100002100210 its reverse (1200120000102), we get a palindrome (21300122100312).

The spelling of 20100002100210 in words is "twenty trillion, one hundred billion, two million, one hundred thousand, two hundred ten".