20010211110 has 64 divisors (see below), whose sum is σ = 53522012160. Its totient is φ = 5319911520.

The previous prime is 20010211099. The next prime is 20010211127. The reversal of 20010211110 is 1111201002.

It is a happy number.

20010211110 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 = 20010211092 and 20010211101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22582 + ... + 201321.

It is an arithmetic number, because the mean of its divisors is an integer number (836281440).

Almost surely, 2^20010211110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20010211110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26761006080).

20010211110 is an abundant number, since it is smaller than the sum of its proper divisors (33511801050).

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

20010211110 is a wasteful number, since it uses less digits than its factorization.

20010211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224250 (or 224244 counting only the distinct ones).

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

Adding to 20010211110 its reverse (1111201002), we get a palindrome (21121412112).

The spelling of 20010211110 in words is "twenty billion, ten million, two hundred eleven thousand, one hundred ten".