20123201103032 has 32 divisors (see below), whose sum is σ = 39725999040000. Its totient is φ = 9529845486048.

The previous prime is 20123201103011. The next prime is 20123201103097. The reversal of 20123201103032 is 23030110232102.

It is a junction number, because it is equal to n+sod(n) for n = 20123201102995 and 20123201103013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14596232 + ... + 15915287.

It is an arithmetic number, because the mean of its divisors is an integer number (1241437470000).

Almost surely, 2^{20123201103032} is an apocalyptic number.

It is an amenable number.

20123201103032 is a deficient number, since it is larger than the sum of its proper divisors (19602797936968).

20123201103032 is a wasteful number, since it uses less digits than its factorization.

20123201103032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30515883 (or 30515879 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20123201103032 its reverse (23030110232102), we get a palindrome (43153311335134).

The spelling of 20123201103032 in words is "twenty trillion, one hundred twenty-three billion, two hundred one million, one hundred three thousand, thirty-two".