20325400063 has 2 divisors, whose sum is σ = 20325400064. Its totient is φ = 20325400062.

The previous prime is 20325400057. The next prime is 20325400091. The reversal of 20325400063 is 36000452302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20325400063 is a prime.

It is a super-3 number, since 3×20325400063³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20325400763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10162700031 + 10162700032.

It is an arithmetic number, because the mean of its divisors is an integer number (10162700032).

Almost surely, 2^20325400063 is an apocalyptic number.

20325400063 is a deficient number, since it is larger than the sum of its proper divisors (1).

20325400063 is an equidigital number, since it uses as much as digits as its factorization.

20325400063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 20325400063 its reverse (36000452302), we get a palindrome (56325852365).

The spelling of 20325400063 in words is "twenty billion, three hundred twenty-five million, four hundred thousand, sixty-three".