20124020404023 has 8 divisors (see below), whose sum is σ = 28410381746928. Its totient is φ = 12626836331904.

The previous prime is 20124020404003. The next prime is 20124020404087. The reversal of 20124020404023 is 32040402042102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20124020404023 - 2¹² = 20124020399927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20124020403984 and 20124020404002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20124020404003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197294317636 + ... + 197294317737.

It is an arithmetic number, because the mean of its divisors is an integer number (3551297718366).

Almost surely, 2^{20124020404023} is an apocalyptic number.

20124020404023 is a deficient number, since it is larger than the sum of its proper divisors (8286361342905).

20124020404023 is a wasteful number, since it uses less digits than its factorization.

20124020404023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394588635393.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20124020404023 its reverse (32040402042102), we get a palindrome (52164422446125).

The spelling of 20124020404023 in words is "twenty trillion, one hundred twenty-four billion, twenty million, four hundred four thousand, twenty-three".