20201212303 has 4 divisors (see below), whose sum is σ = 20401224408. Its totient is φ = 20001200200.

The previous prime is 20201212289. The next prime is 20201212333. The reversal of 20201212303 is 30321210202.

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 20201212303 - 2²¹ = 20199115151 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 (20201212333) 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, 100005901 + ... + 100006102.

It is an arithmetic number, because the mean of its divisors is an integer number (5100306102).

Almost surely, 2^20201212303 is an apocalyptic number.

20201212303 is a deficient number, since it is larger than the sum of its proper divisors (200012105).

20201212303 is a wasteful number, since it uses less digits than its factorization.

20201212303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200012104.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20201212303 its reverse (30321210202), we get a palindrome (50522422505).

The spelling of 20201212303 in words is "twenty billion, two hundred one million, two hundred twelve thousand, three hundred three".