20123103222 has 24 divisors (see below), whose sum is σ = 45006511680. Its totient is φ = 6491323440.

The previous prime is 20123103211. The next prime is 20123103239. The reversal of 20123103222 is 22230132102.

20123103222 is a `hidden beast` number, since 20 + 12 + 310 + 322 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20123103195 and 20123103204.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 18030897 + ... + 18032012.

It is an arithmetic number, because the mean of its divisors is an integer number (1875271320).

Almost surely, 2^20123103222 is an apocalyptic number.

20123103222 is an abundant number, since it is smaller than the sum of its proper divisors (24883408458).

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

20123103222 is a wasteful number, since it uses less digits than its factorization.

20123103222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36062948 (or 36062945 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20123103222 its reverse (22230132102), we get a palindrome (42353235324).

The spelling of 20123103222 in words is "twenty billion, one hundred twenty-three million, one hundred three thousand, two hundred twenty-two".