20000435403229 has 2 divisors, whose sum is σ = 20000435403230. Its totient is φ = 20000435403228.

The previous prime is 20000435403227. The next prime is 20000435403269. The reversal of 20000435403229 is 92230453400002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18683988960004 + 1316446443225 = 4322498^2 + 1147365^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000435403229 - 2¹ = 20000435403227 is a prime.

Together with 20000435403227, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 20000435403194 and 20000435403203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20000435403227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000217701614 + 10000217701615.

It is an arithmetic number, because the mean of its divisors is an integer number (10000217701615).

Almost surely, 2^{20000435403229} is an apocalyptic number.

It is an amenable number.

20000435403229 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000435403229 is an equidigital number, since it uses as much as digits as its factorization.

20000435403229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 20000435403229 in words is "twenty trillion, four hundred thirty-five million, four hundred three thousand, two hundred twenty-nine".