20192123232 has 120 divisors (see below), whose sum is σ = 62510124600. Its totient is φ = 6376444416.

The previous prime is 20192123179. The next prime is 20192123311. The reversal of 20192123232 is 23232129102.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20192123196 and 20192123205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 155757 + ... + 254252.

It is an arithmetic number, because the mean of its divisors is an integer number (520917705).

Almost surely, 2^20192123232 is an apocalyptic number.

It is an amenable number.

20192123232 is an abundant number, since it is smaller than the sum of its proper divisors (42318001368).

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

20192123232 is a wasteful number, since it uses less digits than its factorization.

20192123232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410050 (or 410033 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 20192123232 in words is "twenty billion, one hundred ninety-two million, one hundred twenty-three thousand, two hundred thirty-two".