20325106247 has 2 divisors, whose sum is σ = 20325106248. Its totient is φ = 20325106246.

The previous prime is 20325106231. The next prime is 20325106283. The reversal of 20325106247 is 74260152302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20325106247 - 2⁴ = 20325106231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20325106297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10162553123 + 10162553124.

It is an arithmetic number, because the mean of its divisors is an integer number (10162553124).

Almost surely, 2^20325106247 is an apocalyptic number.

20325106247 is a deficient number, since it is larger than the sum of its proper divisors (1).

20325106247 is an equidigital number, since it uses as much as digits as its factorization.

20325106247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 20325106247 its reverse (74260152302), we get a palindrome (94585258549).

The spelling of 20325106247 in words is "twenty billion, three hundred twenty-five million, one hundred six thousand, two hundred forty-seven".