20123220022 has 8 divisors (see below), whose sum is σ = 30548502936. Its totient is φ = 9940385712.

The previous prime is 20123220001. The next prime is 20123220037. The reversal of 20123220022 is 22002232102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20123219978 and 20123220005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60611943 + ... + 60612274.

It is an arithmetic number, because the mean of its divisors is an integer number (3818562867).

Almost surely, 2^20123220022 is an apocalyptic number.

20123220022 is a deficient number, since it is larger than the sum of its proper divisors (10425282914).

20123220022 is a wasteful number, since it uses less digits than its factorization.

20123220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121224302.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20123220022 its reverse (22002232102), we get a palindrome (42125452124).

The spelling of 20123220022 in words is "twenty billion, one hundred twenty-three million, two hundred twenty thousand, twenty-two".