20324354651 has 2 divisors, whose sum is σ = 20324354652. Its totient is φ = 20324354650.

The previous prime is 20324354623. The next prime is 20324354657. The reversal of 20324354651 is 15645342302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20324354651 - 2¹⁴ = 20324338267 is a prime.

It is not a weakly prime, because it can be changed into another prime (20324354657) 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, 10162177325 + 10162177326.

It is an arithmetic number, because the mean of its divisors is an integer number (10162177326).

Almost surely, 2^20324354651 is an apocalyptic number.

20324354651 is a deficient number, since it is larger than the sum of its proper divisors (1).

20324354651 is an equidigital number, since it uses as much as digits as its factorization.

20324354651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 20324354651 its reverse (15645342302), we get a palindrome (35969696953).

The spelling of 20324354651 in words is "twenty billion, three hundred twenty-four million, three hundred fifty-four thousand, six hundred fifty-one".