20123222230 has 16 divisors (see below), whose sum is σ = 36452514960. Its totient is φ = 7998018912.

The previous prime is 20123222209. The next prime is 20123222233. The reversal of 20123222230 is 3222232102.

It is a junction number, because it is equal to n+sod(n) for n = 20123222198 and 20123222207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123222233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6407100 + ... + 6410239.

It is an arithmetic number, because the mean of its divisors is an integer number (2278282185).

Almost surely, 2^20123222230 is an apocalyptic number.

20123222230 is a deficient number, since it is larger than the sum of its proper divisors (16329292730).

20123222230 is a wasteful number, since it uses less digits than its factorization.

20123222230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12817503.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20123222230 its reverse (3222232102), we get a palindrome (23345454332).

The spelling of 20123222230 in words is "twenty billion, one hundred twenty-three million, two hundred twenty-two thousand, two hundred thirty".