20504500120007 has 2 divisors, whose sum is σ = 20504500120008. Its totient is φ = 20504500120006.

The previous prime is 20504500119989. The next prime is 20504500120019. The reversal of 20504500120007 is 70002100540502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20504500120007 - 2²⁰ = 20504499071431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20504500120057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10252250060003 + 10252250060004.

It is an arithmetic number, because the mean of its divisors is an integer number (10252250060004).

Almost surely, 2^{20504500120007} is an apocalyptic number.

20504500120007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20504500120007 is an equidigital number, since it uses as much as digits as its factorization.

20504500120007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 26.

Adding to 20504500120007 its reverse (70002100540502), we get a palindrome (90506600660509).

The spelling of 20504500120007 in words is "twenty trillion, five hundred four billion, five hundred million, one hundred twenty thousand, seven".