20123422101 has 24 divisors (see below), whose sum is σ = 31423972320. Its totient is φ = 12366025056.

The previous prime is 20123422069. The next prime is 20123422117. The reversal of 20123422101 is 10122432102.

It is a happy number.

20123422101 is a `hidden beast` number, since 20 + 123 + 422 + 101 = 666.

It is not a de Polignac number, because 20123422101 - 2⁵ = 20123422069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123422201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1583955 + ... + 1596608.

It is an arithmetic number, because the mean of its divisors is an integer number (1309332180).

Almost surely, 2^20123422101 is an apocalyptic number.

It is an amenable number.

20123422101 is a deficient number, since it is larger than the sum of its proper divisors (11300550219).

20123422101 is a wasteful number, since it uses less digits than its factorization.

20123422101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180625 (or 3180622 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20123422101 its reverse (10122432102), we get a palindrome (30245854203).

The spelling of 20123422101 in words is "twenty billion, one hundred twenty-three million, four hundred twenty-two thousand, one hundred one".