20205434341 has 4 divisors (see below), whose sum is σ = 20209663552. Its totient is φ = 20201205132.

The previous prime is 20205434339. The next prime is 20205434357. The reversal of 20205434341 is 14343450202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20205434341 - 2¹ = 20205434339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20205434321) 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 in 3 ways as a sum of consecutive naturals, for example, 2107431 + ... + 2116996.

It is an arithmetic number, because the mean of its divisors is an integer number (5052415888).

Almost surely, 2^20205434341 is an apocalyptic number.

It is an amenable number.

20205434341 is a deficient number, since it is larger than the sum of its proper divisors (4229211).

20205434341 is an equidigital number, since it uses as much as digits as its factorization.

20205434341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4229210.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 20205434341 its reverse (14343450202), we get a palindrome (34548884543).

The spelling of 20205434341 in words is "twenty billion, two hundred five million, four hundred thirty-four thousand, three hundred forty-one".