20340253229999 has 2 divisors, whose sum is σ = 20340253230000. Its totient is φ = 20340253229998.

The previous prime is 20340253229963. The next prime is 20340253230019. The reversal of 20340253229999 is 99992235204302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20340253229999 - 2²⁸ = 20339984794543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20340253229929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170126614999 + 10170126615000.

It is an arithmetic number, because the mean of its divisors is an integer number (10170126615000).

Almost surely, 2^{20340253229999} is an apocalyptic number.

20340253229999 is a deficient number, since it is larger than the sum of its proper divisors (1).

20340253229999 is an equidigital number, since it uses as much as digits as its factorization.

20340253229999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18895680, while the sum is 59.

The spelling of 20340253229999 in words is "twenty trillion, three hundred forty billion, two hundred fifty-three million, two hundred twenty-nine thousand, nine hundred ninety-nine".