20123133214401 has 48 divisors (see below), whose sum is σ = 34682190396480. Its totient is φ = 11497982348160.

The previous prime is 20123133214397. The next prime is 20123133214411. The reversal of 20123133214401 is 10441233132102.

20123133214401 is a `hidden beast` number, since 2 + 0 + 1 + 231 + 3 + 3 + 21 + 4 + 401 = 666.

It is not a de Polignac number, because 20123133214401 - 2² = 20123133214397 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (20123133214411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15532345 + ... + 16777961.

It is an arithmetic number, because the mean of its divisors is an integer number (722545633260).

Almost surely, 2^{20123133214401} is an apocalyptic number.

20123133214401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20123133214401 is a deficient number, since it is larger than the sum of its proper divisors (14559057182079).

20123133214401 is a wasteful number, since it uses less digits than its factorization.

20123133214401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257851 (or 1257838 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 20123133214401 its reverse (10441233132102), we get a palindrome (30564366346503).

The spelling of 20123133214401 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty-three million, two hundred fourteen thousand, four hundred one".