20123220123110 has 64 divisors (see below), whose sum is σ = 39126927752640. Its totient is φ = 7407494115840.

The previous prime is 20123220123089. The next prime is 20123220123119. The reversal of 20123220123110 is 1132102232102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123220123119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107671304 + ... + 107858036.

It is an arithmetic number, because the mean of its divisors is an integer number (611358246135).

Almost surely, 2^{20123220123110} is an apocalyptic number.

20123220123110 is a deficient number, since it is larger than the sum of its proper divisors (19003707629530).

20123220123110 is a wasteful number, since it uses less digits than its factorization.

20123220123110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189273.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20123220123110 its reverse (1132102232102), we get a palindrome (21255322355212).

The spelling of 20123220123110 in words is "twenty trillion, one hundred twenty-three billion, two hundred twenty million, one hundred twenty-three thousand, one hundred ten".