20123132110032 has 80 divisors (see below), whose sum is σ = 61327640748032. Its totient is φ = 5563999658880.

The previous prime is 20123132110031. The next prime is 20123132110051. The reversal of 20123132110032 is 23001123132102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 20123132109990 and 20123132110008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123132110031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 965961748 + ... + 965982579.

Almost surely, 2^{20123132110032} is an apocalyptic number.

It is an amenable number.

20123132110032 is an abundant number, since it is smaller than the sum of its proper divisors (41204508638000).

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

20123132110032 is a wasteful number, since it uses less digits than its factorization.

20123132110032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931944376 (or 1931944370 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20123132110032 its reverse (23001123132102), we get a palindrome (43124255242134).

The spelling of 20123132110032 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty-two million, one hundred ten thousand, thirty-two".