20145320506007 has 2 divisors, whose sum is σ = 20145320506008. Its totient is φ = 20145320506006.

The previous prime is 20145320506001. The next prime is 20145320506009. The reversal of 20145320506007 is 70060502354102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20145320506007 - 2²⁸ = 20145052070551 is a prime.

It is a super-2 number, since 2×20145320506007² (a number of 27 digits) contains 22 as substring.

Together with 20145320506009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20145320506001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10072660253003 + 10072660253004.

It is an arithmetic number, because the mean of its divisors is an integer number (10072660253004).

Almost surely, 2^{20145320506007} is an apocalyptic number.

20145320506007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20145320506007 is an equidigital number, since it uses as much as digits as its factorization.

20145320506007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 20145320506007 in words is "twenty trillion, one hundred forty-five billion, three hundred twenty million, five hundred six thousand, seven".