20203350185 has 8 divisors (see below), whose sum is σ = 24340611456. Its totient is φ = 16098286000.

The previous prime is 20203350149. The next prime is 20203350187. The reversal of 20203350185 is 58105330202.

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

It is not a de Polignac number, because 20203350185 - 2¹⁰ = 20203349161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20203350187) 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, 8047889 + ... + 8050398.

It is an arithmetic number, because the mean of its divisors is an integer number (3042576432).

Almost surely, 2^20203350185 is an apocalyptic number.

It is an amenable number.

20203350185 is a deficient number, since it is larger than the sum of its proper divisors (4137261271).

20203350185 is a wasteful number, since it uses less digits than its factorization.

20203350185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16098543.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 20203350185 its reverse (58105330202), we get a palindrome (78308680387).

The spelling of 20203350185 in words is "twenty billion, two hundred three million, three hundred fifty thousand, one hundred eighty-five".