20341043434 has 4 divisors (see below), whose sum is σ = 30511565154. Its totient is φ = 10170521716.

The previous prime is 20341043431. The next prime is 20341043449. The reversal of 20341043434 is 43434014302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19876770225 + 464273209 = 140985^2 + 21547^2 .

It is not an unprimeable number, because it can be changed into a prime (20341043431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5085260857 + ... + 5085260860.

Almost surely, 2^20341043434 is an apocalyptic number.

20341043434 is a deficient number, since it is larger than the sum of its proper divisors (10170521720).

20341043434 is a wasteful number, since it uses less digits than its factorization.

20341043434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10170521719.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20341043434 its reverse (43434014302), we get a palindrome (63775057736).

The spelling of 20341043434 in words is "twenty billion, three hundred forty-one million, forty-three thousand, four hundred thirty-four".