20041405235 has 8 divisors (see below), whose sum is σ = 25095324960. Its totient is φ = 15336031744.

The previous prime is 20041405211. The next prime is 20041405243. The reversal of 20041405235 is 53250414002.

It is a happy number.

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 20041405235 - 2⁸ = 20041404979 is a prime.

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, 87136430 + ... + 87136659.

It is an arithmetic number, because the mean of its divisors is an integer number (3136915620).

Almost surely, 2^20041405235 is an apocalyptic number.

20041405235 is a deficient number, since it is larger than the sum of its proper divisors (5053919725).

20041405235 is a wasteful number, since it uses less digits than its factorization.

20041405235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174273117.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 20041405235 its reverse (53250414002), we get a palindrome (73291819237).

The spelling of 20041405235 in words is "twenty billion, forty-one million, four hundred five thousand, two hundred thirty-five".