20404144141 has 8 divisors (see below), whose sum is σ = 21663262080. Its totient is φ = 19151567808.

The previous prime is 20404144139. The next prime is 20404144157. The reversal of 20404144141 is 14144140402.

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 20404144141 - 2¹ = 20404144139 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 (20404144181) 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, 1628971 + ... + 1641448.

It is an arithmetic number, because the mean of its divisors is an integer number (2707907760).

Almost surely, 2^20404144141 is an apocalyptic number.

It is an amenable number.

20404144141 is a deficient number, since it is larger than the sum of its proper divisors (1259117939).

20404144141 is a wasteful number, since it uses less digits than its factorization.

20404144141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270803.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 20404144141 its reverse (14144140402), we get a palindrome (34548284543).

The spelling of 20404144141 in words is "twenty billion, four hundred four million, one hundred forty-four thousand, one hundred forty-one".