20132430240389 has 2 divisors, whose sum is σ = 20132430240390. Its totient is φ = 20132430240388.

The previous prime is 20132430240361. The next prime is 20132430240463. The reversal of 20132430240389 is 98304203423102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15010432948900 + 5121997291489 = 3874330^2 + 2263183^2 .

It is a cyclic number.

It is not a de Polignac number, because 20132430240389 - 2⁸ = 20132430240133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20132430240319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066215120194 + 10066215120195.

It is an arithmetic number, because the mean of its divisors is an integer number (10066215120195).

Almost surely, 2^{20132430240389} is an apocalyptic number.

It is an amenable number.

20132430240389 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132430240389 is an equidigital number, since it uses as much as digits as its factorization.

20132430240389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 20132430240389 in words is "twenty trillion, one hundred thirty-two billion, four hundred thirty million, two hundred forty thousand, three hundred eighty-nine".