20429704033213 has 2 divisors, whose sum is σ = 20429704033214. Its totient is φ = 20429704033212.

The previous prime is 20429704033153. The next prime is 20429704033279. The reversal of 20429704033213 is 31233040792402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15359289942649 + 5070414090564 = 3919093^2 + 2251758^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20429704033213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20429704033283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10214852016606 + 10214852016607.

It is an arithmetic number, because the mean of its divisors is an integer number (10214852016607).

Almost surely, 2^{20429704033213} is an apocalyptic number.

It is an amenable number.

20429704033213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20429704033213 is an equidigital number, since it uses as much as digits as its factorization.

20429704033213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 20429704033213 in words is "twenty trillion, four hundred twenty-nine billion, seven hundred four million, thirty-three thousand, two hundred thirteen".