20204435141 has 16 divisors (see below), whose sum is σ = 22587163200. Its totient is φ = 17913033600.

The previous prime is 20204435131. The next prime is 20204435149. The reversal of 20204435141 is 14153440202.

It is not a de Polignac number, because 20204435141 - 2¹⁸ = 20204172997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20204435141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20204435149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1521830 + ... + 1535048.

It is an arithmetic number, because the mean of its divisors is an integer number (1411697700).

Almost surely, 2^20204435141 is an apocalyptic number.

It is an amenable number.

20204435141 is a deficient number, since it is larger than the sum of its proper divisors (2382728059).

20204435141 is a wasteful number, since it uses less digits than its factorization.

20204435141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16660.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 20204435141 its reverse (14153440202), we get a palindrome (34357875343).

The spelling of 20204435141 in words is "twenty billion, two hundred four million, four hundred thirty-five thousand, one hundred forty-one".