20041142405 has 8 divisors (see below), whose sum is σ = 24138115584. Its totient is φ = 15973750800.

The previous prime is 20041142383. The next prime is 20041142423. The reversal of 20041142405 is 50424114002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20041142405 - 2²² = 20036948101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7393901 + ... + 7396610.

It is an arithmetic number, because the mean of its divisors is an integer number (3017264448).

Almost surely, 2^20041142405 is an apocalyptic number.

It is an amenable number.

20041142405 is a deficient number, since it is larger than the sum of its proper divisors (4096973179).

20041142405 is a wasteful number, since it uses less digits than its factorization.

20041142405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14790787.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 20041142405 its reverse (50424114002), we get a palindrome (70465256407).

The spelling of 20041142405 in words is "twenty billion, forty-one million, one hundred forty-two thousand, four hundred five".