20352305245087 has 2 divisors, whose sum is σ = 20352305245088. Its totient is φ = 20352305245086.

The previous prime is 20352305245001. The next prime is 20352305245091. The reversal of 20352305245087 is 78054250325302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20352305245087 is a prime.

It is a super-2 number, since 2×20352305245087² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20352305245487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10176152622543 + 10176152622544.

It is an arithmetic number, because the mean of its divisors is an integer number (10176152622544).

Almost surely, 2^{20352305245087} is an apocalyptic number.

20352305245087 is a deficient number, since it is larger than the sum of its proper divisors (1).

20352305245087 is an equidigital number, since it uses as much as digits as its factorization.

20352305245087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016000, while the sum is 46.

The spelling of 20352305245087 in words is "twenty trillion, three hundred fifty-two billion, three hundred five million, two hundred forty-five thousand, eighty-seven".