20110020231123 has 24 divisors (see below), whose sum is σ = 31355953593120. Its totient is φ = 12381581667840.

The previous prime is 20110020231097. The next prime is 20110020231131. The reversal of 20110020231123 is 32113202001102.

20110020231123 is a `hidden beast` number, since 20 + 110 + 0 + 202 + 311 + 23 = 666.

It is not a de Polignac number, because 20110020231123 - 2²² = 20110016036819 is a prime.

It is a super-2 number, since 2×20110020231123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20110020231096 and 20110020231105.

It is not an unprimeable number, because it can be changed into a prime (20110020231193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1674991518 + ... + 1675003523.

It is an arithmetic number, because the mean of its divisors is an integer number (1306498066380).

Almost surely, 2^{20110020231123} is an apocalyptic number.

20110020231123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20110020231123 is a deficient number, since it is larger than the sum of its proper divisors (11245933361997).

20110020231123 is a wasteful number, since it uses less digits than its factorization.

20110020231123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349995099 (or 3349995096 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20110020231123 its reverse (32113202001102), we get a palindrome (52223222232225).

The spelling of 20110020231123 in words is "twenty trillion, one hundred ten billion, twenty million, two hundred thirty-one thousand, one hundred twenty-three".