20110000043 has 8 divisors (see below), whose sum is σ = 24334790112. Its totient is φ = 16223193216.

The previous prime is 20110000003. The next prime is 20110000061. The reversal of 20110000043 is 34000001102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20110000043 - 2¹⁴ = 20109983659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20109999979 and 20110000033.

It is not an unprimeable number, because it can be changed into a prime (20110000003) 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, 84495680 + ... + 84495917.

It is an arithmetic number, because the mean of its divisors is an integer number (3041848764).

Almost surely, 2^20110000043 is an apocalyptic number.

20110000043 is a deficient number, since it is larger than the sum of its proper divisors (4224790069).

20110000043 is a wasteful number, since it uses less digits than its factorization.

20110000043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168991621.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20110000043 its reverse (34000001102), we get a palindrome (54110001145).

The spelling of 20110000043 in words is "twenty billion, one hundred ten million, forty-three", and thus it is an aban number.