20123120092 has 12 divisors (see below), whose sum is σ = 35741064520. Its totient is φ = 9911387376.

The previous prime is 20123120063. The next prime is 20123120119. The reversal of 20123120092 is 29002132102.

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, 37542867 + ... + 37543402.

Almost surely, 2^20123120092 is an apocalyptic number.

It is an amenable number.

20123120092 is a deficient number, since it is larger than the sum of its proper divisors (15617944428).

20123120092 is a wasteful number, since it uses less digits than its factorization.

20123120092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75086340 (or 75086338 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20123120092 its reverse (29002132102), we get a palindrome (49125252194).

The spelling of 20123120092 in words is "twenty billion, one hundred twenty-three million, one hundred twenty thousand, ninety-two".