20033011043 has 4 divisors (see below), whose sum is σ = 20112824088. Its totient is φ = 19953198000.

The previous prime is 20033010931. The next prime is 20033011051. The reversal of 20033011043 is 34011033002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34011033002 = 2 ⋅17005516501.

It is a cyclic number.

It is not a de Polignac number, because 20033011043 - 2²⁶ = 19965902179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20033011093) 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, 39906146 + ... + 39906647.

It is an arithmetic number, because the mean of its divisors is an integer number (5028206022).

Almost surely, 2^20033011043 is an apocalyptic number.

20033011043 is a deficient number, since it is larger than the sum of its proper divisors (79813045).

20033011043 is an equidigital number, since it uses as much as digits as its factorization.

20033011043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79813044.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20033011043 its reverse (34011033002), we get a palindrome (54044044045).

The spelling of 20033011043 in words is "twenty billion, thirty-three million, eleven thousand, forty-three".