20010910110 has 64 divisors (see below), whose sum is σ = 50205215232. Its totient is φ = 5094970496.

The previous prime is 20010910097. The next prime is 20010910111. The reversal of 20010910110 is 1101901002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20010910110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010910111) by changing a digit.

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, 358297 + ... + 410363.

It is an arithmetic number, because the mean of its divisors is an integer number (784456488).

Almost surely, 2^20010910110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20010910110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25102607616).

20010910110 is an abundant number, since it is smaller than the sum of its proper divisors (30194305122).

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

20010910110 is a wasteful number, since it uses less digits than its factorization.

20010910110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52657.

The product of its (nonzero) digits is 18, while the sum is 15.

The spelling of 20010910110 in words is "twenty billion, ten million, nine hundred ten thousand, one hundred ten".