20005122241 has 8 divisors (see below), whose sum is σ = 21555301824. Its totient is φ = 18456560400.

The previous prime is 20005122191. The next prime is 20005122259. The reversal of 20005122241 is 14222150002.

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 20005122241 - 2¹¹ = 20005120193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20005122281) 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, 378685 + ... + 428266.

It is an arithmetic number, because the mean of its divisors is an integer number (2694412728).

Almost surely, 2^20005122241 is an apocalyptic number.

It is an amenable number.

20005122241 is a deficient number, since it is larger than the sum of its proper divisors (1550179583).

20005122241 is a wasteful number, since it uses less digits than its factorization.

20005122241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808871.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 20005122241 its reverse (14222150002), we get a palindrome (34227272243).

The spelling of 20005122241 in words is "twenty billion, five million, one hundred twenty-two thousand, two hundred forty-one".