20212122303 has 6 divisors (see below), whose sum is σ = 29195287784. Its totient is φ = 13474748196.

The previous prime is 20212122299. The next prime is 20212122319. The reversal of 20212122303 is 30322121202.

It is not a de Polignac number, because 20212122303 - 2² = 20212122299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212122353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1122895675 + ... + 1122895692.

Almost surely, 2^20212122303 is an apocalyptic number.

20212122303 is a deficient number, since it is larger than the sum of its proper divisors (8983165481).

20212122303 is a wasteful number, since it uses less digits than its factorization.

20212122303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245791373 (or 2245791370 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20212122303 its reverse (30322121202), we get a palindrome (50534243505).

The spelling of 20212122303 in words is "twenty billion, two hundred twelve million, one hundred twenty-two thousand, three hundred three".