20404144101 has 8 divisors (see below), whose sum is σ = 29678755104. Its totient is φ = 12366147920.

The previous prime is 20404144069. The next prime is 20404144127. The reversal of 20404144101 is 10144140402.

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 20404144101 - 2⁵ = 20404144069 is a prime.

It is a Curzon 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, 309153666 + ... + 309153731.

It is an arithmetic number, because the mean of its divisors is an integer number (3709844388).

Almost surely, 2^20404144101 is an apocalyptic number.

It is an amenable number.

20404144101 is a deficient number, since it is larger than the sum of its proper divisors (9274611003).

20404144101 is a wasteful number, since it uses less digits than its factorization.

20404144101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618307411.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 20404144101 its reverse (10144140402), we get a palindrome (30548284503).

The spelling of 20404144101 in words is "twenty billion, four hundred four million, one hundred forty-four thousand, one hundred one".