20120020100110 has 64 divisors (see below), whose sum is σ = 42946629118848. Its totient is φ = 6642657828864.

The previous prime is 20120020100107. The next prime is 20120020100119. The reversal of 20120020100110 is 1100102002102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120020100119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39791799 + ... + 40294258.

It is an arithmetic number, because the mean of its divisors is an integer number (671041079982).

Almost surely, 2^{20120020100110} is an apocalyptic number.

20120020100110 is an abundant number, since it is smaller than the sum of its proper divisors (22826609018738).

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

20120020100110 is a wasteful number, since it uses less digits than its factorization.

20120020100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80086205.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20120020100110 its reverse (1100102002102), we get a palindrome (21220122102212).

The spelling of 20120020100110 in words is "twenty trillion, one hundred twenty billion, twenty million, one hundred thousand, one hundred ten".