20123441222234 has 24 divisors (see below), whose sum is σ = 36645950310240. Its totient is φ = 8117018306496.

The previous prime is 20123441222221. The next prime is 20123441222237. The reversal of 20123441222234 is 43222214432102.

It is a self number, because there is not a number n which added to its sum of digits gives 20123441222234.

It is not an unprimeable number, because it can be changed into a prime (20123441222237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2486827544 + ... + 2486835635.

It is an arithmetic number, because the mean of its divisors is an integer number (1526914596260).

Almost surely, 2^{20123441222234} is an apocalyptic number.

20123441222234 is a deficient number, since it is larger than the sum of its proper divisors (16522509088006).

20123441222234 is a wasteful number, since it uses less digits than its factorization.

20123441222234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973663222 (or 4973663205 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 20123441222234 its reverse (43222214432102), we get a palindrome (63345655654336).

The spelling of 20123441222234 in words is "twenty trillion, one hundred twenty-three billion, four hundred forty-one million, two hundred twenty-two thousand, two hundred thirty-four".