20212203020303 has 4 divisors (see below), whose sum is σ = 23099660594640. Its totient is φ = 17324745445968.

The previous prime is 20212203020281. The next prime is 20212203020353. The reversal of 20212203020303 is 30302030221202.

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 20212203020303 - 2¹² = 20212203016207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212203020353) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1443728787158 + ... + 1443728787171.

It is an arithmetic number, because the mean of its divisors is an integer number (5774915148660).

Almost surely, 2^{20212203020303} is an apocalyptic number.

20212203020303 is a deficient number, since it is larger than the sum of its proper divisors (2887457574337).

20212203020303 is an equidigital number, since it uses as much as digits as its factorization.

20212203020303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887457574336.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20212203020303 its reverse (30302030221202), we get a palindrome (50514233241505).

The spelling of 20212203020303 in words is "twenty trillion, two hundred twelve billion, two hundred three million, twenty thousand, three hundred three".