20034234043 has 4 divisors (see below), whose sum is σ = 20085736320. Its totient is φ = 19982731768.

The previous prime is 20034234041. The next prime is 20034234083. The reversal of 20034234043 is 34043243002.

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

It is a cyclic number.

It is not a de Polignac number, because 20034234043 - 2¹ = 20034234041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20034233999 and 20034234017.

It is not an unprimeable number, because it can be changed into a prime (20034234041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25750555 + ... + 25751332.

It is an arithmetic number, because the mean of its divisors is an integer number (5021434080).

Almost surely, 2^20034234043 is an apocalyptic number.

20034234043 is a deficient number, since it is larger than the sum of its proper divisors (51502277).

20034234043 is an equidigital number, since it uses as much as digits as its factorization.

20034234043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51502276.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 20034234043 its reverse (34043243002), we get a palindrome (54077477045).

The spelling of 20034234043 in words is "twenty billion, thirty-four million, two hundred thirty-four thousand, forty-three".