20324608073741 has 2 divisors, whose sum is σ = 20324608073742. Its totient is φ = 20324608073740.

The previous prime is 20324608073729. The next prime is 20324608073797. The reversal of 20324608073741 is 14737080642302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11884711551241 + 8439896522500 = 3447421^2 + 2905150^2 .

It is a cyclic number.

It is not a de Polignac number, because 20324608073741 - 2¹⁸ = 20324607811597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20324608073941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10162304036870 + 10162304036871.

It is an arithmetic number, because the mean of its divisors is an integer number (10162304036871).

Almost surely, 2^{20324608073741} is an apocalyptic number.

It is an amenable number.

20324608073741 is a deficient number, since it is larger than the sum of its proper divisors (1).

20324608073741 is an equidigital number, since it uses as much as digits as its factorization.

20324608073741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 20324608073741 in words is "twenty trillion, three hundred twenty-four billion, six hundred eight million, seventy-three thousand, seven hundred forty-one".