20043235141 has 4 divisors (see below), whose sum is σ = 20046622752. Its totient is φ = 20039847532.

The previous prime is 20043235103. The next prime is 20043235181. The reversal of 20043235141 is 14153234002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14153234002 = 2 ⋅7076617001.

It is a cyclic number.

It is not a de Polignac number, because 20043235141 - 2¹⁵ = 20043202373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043235181) 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, 1684915 + ... + 1696768.

It is an arithmetic number, because the mean of its divisors is an integer number (5011655688).

Almost surely, 2^20043235141 is an apocalyptic number.

It is an amenable number.

20043235141 is a deficient number, since it is larger than the sum of its proper divisors (3387611).

20043235141 is an equidigital number, since it uses as much as digits as its factorization.

20043235141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387610.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 20043235141 its reverse (14153234002), we get a palindrome (34196469143).

The spelling of 20043235141 in words is "twenty billion, forty-three million, two hundred thirty-five thousand, one hundred forty-one".