20202102334243 has 2 divisors, whose sum is σ = 20202102334244. Its totient is φ = 20202102334242.

The previous prime is 20202102334189. The next prime is 20202102334261. The reversal of 20202102334243 is 34243320120202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20202102334243 - 2³⁷ = 20064663380771 is a prime.

It is not a weakly prime, because it can be changed into another prime (20202102334543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101051167121 + 10101051167122.

It is an arithmetic number, because the mean of its divisors is an integer number (10101051167122).

Almost surely, 2^{20202102334243} is an apocalyptic number.

20202102334243 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202102334243 is an equidigital number, since it uses as much as digits as its factorization.

20202102334243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20202102334243 its reverse (34243320120202), we get a palindrome (54445422454445).

The spelling of 20202102334243 in words is "twenty trillion, two hundred two billion, one hundred two million, three hundred thirty-four thousand, two hundred forty-three".