20345351363 has 2 divisors, whose sum is σ = 20345351364. Its totient is φ = 20345351362.

The previous prime is 20345351311. The next prime is 20345351371. The reversal of 20345351363 is 36315354302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20345351363 - 2³⁴ = 3165482179 is a prime.

It is not a weakly prime, because it can be changed into another prime (20345354363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10172675681 + 10172675682.

It is an arithmetic number, because the mean of its divisors is an integer number (10172675682).

Almost surely, 2^20345351363 is an apocalyptic number.

20345351363 is a deficient number, since it is larger than the sum of its proper divisors (1).

20345351363 is an equidigital number, since it uses as much as digits as its factorization.

20345351363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 35.

The spelling of 20345351363 in words is "twenty billion, three hundred forty-five million, three hundred fifty-one thousand, three hundred sixty-three".