20120120110 has 128 divisors (see below), whose sum is σ = 40521254400. Its totient is φ = 7163251200.

The previous prime is 20120120099. The next prime is 20120120197. The reversal of 20120120110 is 1102102102.

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

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 63 ways as a sum of consecutive naturals, for example, 30530961 + ... + 30531619.

It is an arithmetic number, because the mean of its divisors is an integer number (316572300).

Almost surely, 2^20120120110 is an apocalyptic number.

20120120110 is an abundant number, since it is smaller than the sum of its proper divisors (20401134290).

20120120110 is a wasteful number, since it uses less digits than its factorization.

20120120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866.

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

Adding to 20120120110 its reverse (1102102102), we get a palindrome (21222222212).

The spelling of 20120120110 in words is "twenty billion, one hundred twenty million, one hundred twenty thousand, one hundred ten".