20204144043 has 4 divisors (see below), whose sum is σ = 26938858728. Its totient is φ = 13469429360.

The previous prime is 20204144029. The next prime is 20204144047. The reversal of 20204144043 is 34044140202.

It is a happy number.

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 20204144043 - 2¹³ = 20204135851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20204144047) 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, 3367357338 + ... + 3367357343.

It is an arithmetic number, because the mean of its divisors is an integer number (6734714682).

Almost surely, 2^20204144043 is an apocalyptic number.

20204144043 is a deficient number, since it is larger than the sum of its proper divisors (6734714685).

20204144043 is an equidigital number, since it uses as much as digits as its factorization.

20204144043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6734714684.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20204144043 its reverse (34044140202), we get a palindrome (54248284245).

The spelling of 20204144043 in words is "twenty billion, two hundred four million, one hundred forty-four thousand, forty-three".