20343050434 has 16 divisors (see below), whose sum is σ = 34900272000. Its totient is φ = 8711832384.

The previous prime is 20343050417. The next prime is 20343050437. The reversal of 20343050434 is 43405034302.

It is not an unprimeable number, because it can be changed into a prime (20343050437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532359 + ... + 569290.

It is an arithmetic number, because the mean of its divisors is an integer number (2181267000).

Almost surely, 2^20343050434 is an apocalyptic number.

20343050434 is a deficient number, since it is larger than the sum of its proper divisors (14557221566).

20343050434 is a wasteful number, since it uses less digits than its factorization.

20343050434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102977.

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 20343050434 its reverse (43405034302), we get a palindrome (63748084736).

The spelling of 20343050434 in words is "twenty billion, three hundred forty-three million, fifty thousand, four hundred thirty-four".