20403324142099 has 2 divisors, whose sum is σ = 20403324142100. Its totient is φ = 20403324142098.

The previous prime is 20403324142043. The next prime is 20403324142121. The reversal of 20403324142099 is 99024142330402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20403324142099 - 2⁹ = 20403324141587 is a prime.

It is not a weakly prime, because it can be changed into another prime (20403324142499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10201662071049 + 10201662071050.

It is an arithmetic number, because the mean of its divisors is an integer number (10201662071050).

Almost surely, 2^{20403324142099} is an apocalyptic number.

20403324142099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20403324142099 is an equidigital number, since it uses as much as digits as its factorization.

20403324142099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 20403324142099 in words is "twenty trillion, four hundred three billion, three hundred twenty-four million, one hundred forty-two thousand, ninety-nine".