20504125733323 has 8 divisors (see below), whose sum is σ = 20840815432800. Its totient is φ = 20167453985280.

The previous prime is 20504125733303. The next prime is 20504125733327. The reversal of 20504125733323 is 32333752140502.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20504125733323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20504125733327) 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, 2174998 + ... + 6763051.

It is an arithmetic number, because the mean of its divisors is an integer number (2605101929100).

Almost surely, 2^{20504125733323} is an apocalyptic number.

20504125733323 is a deficient number, since it is larger than the sum of its proper divisors (336689699477).

20504125733323 is an equidigital number, since it uses as much as digits as its factorization.

20504125733323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8975717.

The product of its (nonzero) digits is 453600, while the sum is 40.

Adding to 20504125733323 its reverse (32333752140502), we get a palindrome (52837877873825).

The spelling of 20504125733323 in words is "twenty trillion, five hundred four billion, one hundred twenty-five million, seven hundred thirty-three thousand, three hundred twenty-three".