20522450363 has 2 divisors, whose sum is σ = 20522450364. Its totient is φ = 20522450362.

The previous prime is 20522450359. The next prime is 20522450369. The reversal of 20522450363 is 36305422502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20522450363 - 2² = 20522450359 is a prime.

It is not a weakly prime, because it can be changed into another prime (20522450369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10261225181 + 10261225182.

It is an arithmetic number, because the mean of its divisors is an integer number (10261225182).

Almost surely, 2^20522450363 is an apocalyptic number.

20522450363 is a deficient number, since it is larger than the sum of its proper divisors (1).

20522450363 is an equidigital number, since it uses as much as digits as its factorization.

20522450363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 20522450363 its reverse (36305422502), we get a palindrome (56827872865).

The spelling of 20522450363 in words is "twenty billion, five hundred twenty-two million, four hundred fifty thousand, three hundred sixty-three".