20001241105 has 8 divisors (see below), whose sum is σ = 24018532200. Its totient is φ = 15989630976.

The previous prime is 20001241097. The next prime is 20001241151. The reversal of 20001241105 is 50114210002.

It can be written as a sum of positive squares in 4 ways, for example, as 398721024 + 19602520081 = 19968^2 + 140009^2 .

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 20001241105 - 2³ = 20001241097 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1412490 + ... + 1426579.

It is an arithmetic number, because the mean of its divisors is an integer number (3002316525).

Almost surely, 2^20001241105 is an apocalyptic number.

It is an amenable number.

20001241105 is a deficient number, since it is larger than the sum of its proper divisors (4017291095).

20001241105 is a wasteful number, since it uses less digits than its factorization.

20001241105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840483.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 20001241105 its reverse (50114210002), we get a palindrome (70115451107).

The spelling of 20001241105 in words is "twenty billion, one million, two hundred forty-one thousand, one hundred five".