20123133214400 has 84 divisors (see below), whose sum is σ = 49774728796800. Its totient is φ = 8007110476800.

The previous prime is 20123133214397. The next prime is 20123133214411. The reversal of 20123133214400 is 441233132102.

It is a self number, because there is not a number n which added to its sum of digits gives 20123133214400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32618375 + ... + 33229574.

It is an arithmetic number, because the mean of its divisors is an integer number (592556295200).

Almost surely, 2^{20123133214400} is an apocalyptic number.

20123133214400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20123133214400 is an abundant number, since it is smaller than the sum of its proper divisors (29651595582400).

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

20123133214400 is a wasteful number, since it uses less digits than its factorization.

20123133214400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65848162 (or 65848147 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 20123133214400 its reverse (441233132102), we get a palindrome (20564366346502).

The spelling of 20123133214400 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty-three million, two hundred fourteen thousand, four hundred".