20104343043 has 16 divisors (see below), whose sum is σ = 27313804800. Its totient is φ = 13149783200.

The previous prime is 20104343029. The next prime is 20104343059. The reversal of 20104343043 is 34034340102.

It is a cyclic number.

It is not a de Polignac number, because 20104343043 - 2⁴ = 20104343027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20104345043) 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 15 ways as a sum of consecutive naturals, for example, 21483 + ... + 201668.

It is an arithmetic number, because the mean of its divisors is an integer number (1707112800).

Almost surely, 2^20104343043 is an apocalyptic number.

20104343043 is a deficient number, since it is larger than the sum of its proper divisors (7209461757).

20104343043 is a wasteful number, since it uses less digits than its factorization.

20104343043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223722.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20104343043 its reverse (34034340102), we get a palindrome (54138683145).

The spelling of 20104343043 in words is "twenty billion, one hundred four million, three hundred forty-three thousand, forty-three".