20001200002110 has 96 divisors (see below), whose sum is σ = 53460928920672. Its totient is φ = 5184416897280.

The previous prime is 20001200002103. The next prime is 20001200002111. The reversal of 20001200002110 is 1120000210002.

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 = 20001200002092 and 20001200002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001200002111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 458517 + ... + 6341343.

It is an arithmetic number, because the mean of its divisors is an integer number (556884676257).

Almost surely, 2^{20001200002110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20001200002110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26730464460336).

20001200002110 is an abundant number, since it is smaller than the sum of its proper divisors (33459728918562).

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

20001200002110 is a wasteful number, since it uses less digits than its factorization.

20001200002110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5883898 (or 5883895 counting only the distinct ones).

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

Adding to 20001200002110 its reverse (1120000210002), we get a palindrome (21121200212112).

The spelling of 20001200002110 in words is "twenty trillion, one billion, two hundred million, two thousand, one hundred ten".