20012230205 has 8 divisors (see below), whose sum is σ = 26197828704. Its totient is φ = 14554349200.

The previous prime is 20012230171. The next prime is 20012230243. The reversal of 20012230205 is 50203221002.

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

It is not a de Polignac number, because 20012230205 - 2³⁰ = 18938488381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181929311 + ... + 181929420.

It is an arithmetic number, because the mean of its divisors is an integer number (3274728588).

Almost surely, 2^20012230205 is an apocalyptic number.

It is an amenable number.

20012230205 is a deficient number, since it is larger than the sum of its proper divisors (6185598499).

20012230205 is a wasteful number, since it uses less digits than its factorization.

20012230205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363858747.

The product of its (nonzero) digits is 240, while the sum is 17.

Adding to 20012230205 its reverse (50203221002), we get a palindrome (70215451207).

The spelling of 20012230205 in words is "twenty billion, twelve million, two hundred thirty thousand, two hundred five".