20001210010110 has 384 divisors, whose sum is σ = 65542725158400. Its totient is φ = 4315660715520.

The previous prime is 20001210010079. The next prime is 20001210010153. The reversal of 20001210010110 is 1101001210002.

It is a happy number.

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 = 20001210010092 and 20001210010101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 70493389 + ... + 70776551.

It is an arithmetic number, because the mean of its divisors is an integer number (170684180100).

Almost surely, 2^{20001210010110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20001210010110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32771362579200).

20001210010110 is an abundant number, since it is smaller than the sum of its proper divisors (45541515148290).

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

20001210010110 is a wasteful number, since it uses less digits than its factorization.

20001210010110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283493 (or 283480 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20001210010110 its reverse (1101001210002), we get a palindrome (21102211220112).

The spelling of 20001210010110 in words is "twenty trillion, one billion, two hundred ten million, ten thousand, one hundred ten".