20134334461 has 2 divisors, whose sum is σ = 20134334462. Its totient is φ = 20134334460.

The previous prime is 20134334443. The next prime is 20134334501. The reversal of 20134334461 is 16443343102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15131460100 + 5002874361 = 123010^2 + 70731^2 .

It is a cyclic number.

It is not a de Polignac number, because 20134334461 - 2¹³ = 20134326269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20134334401) 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, 10067167230 + 10067167231.

It is an arithmetic number, because the mean of its divisors is an integer number (10067167231).

Almost surely, 2^20134334461 is an apocalyptic number.

It is an amenable number.

20134334461 is a deficient number, since it is larger than the sum of its proper divisors (1).

20134334461 is an equidigital number, since it uses as much as digits as its factorization.

20134334461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 20134334461 its reverse (16443343102), we get a palindrome (36577677563).

The spelling of 20134334461 in words is "twenty billion, one hundred thirty-four million, three hundred thirty-four thousand, four hundred sixty-one".