20132403232091 has 2 divisors, whose sum is σ = 20132403232092. Its totient is φ = 20132403232090.

The previous prime is 20132403232087. The next prime is 20132403232181. The reversal of 20132403232091 is 19023230423102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20132403232091 - 2² = 20132403232087 is a prime.

It is not a weakly prime, because it can be changed into another prime (20132403232001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066201616045 + 10066201616046.

It is an arithmetic number, because the mean of its divisors is an integer number (10066201616046).

Almost surely, 2^{20132403232091} is an apocalyptic number.

20132403232091 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132403232091 is an equidigital number, since it uses as much as digits as its factorization.

20132403232091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 20132403232091 its reverse (19023230423102), we get a palindrome (39155633655193).

The spelling of 20132403232091 in words is "twenty trillion, one hundred thirty-two billion, four hundred three million, two hundred thirty-two thousand, ninety-one".