20349822203 has 4 divisors (see below), whose sum is σ = 21051540240. Its totient is φ = 19648104168.

The previous prime is 20349822193. The next prime is 20349822221. The reversal of 20349822203 is 30222894302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20349822203 - 2⁶ = 20349822139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20349824203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350858975 + ... + 350859032.

It is an arithmetic number, because the mean of its divisors is an integer number (5262885060).

Almost surely, 2^20349822203 is an apocalyptic number.

20349822203 is a deficient number, since it is larger than the sum of its proper divisors (701718037).

20349822203 is an equidigital number, since it uses as much as digits as its factorization.

20349822203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701718036.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 20349822203 in words is "twenty billion, three hundred forty-nine million, eight hundred twenty-two thousand, two hundred three".