202120202143 has 2 divisors, whose sum is σ = 202120202144. Its totient is φ = 202120202142.

The previous prime is 202120202111. The next prime is 202120202149. The reversal of 202120202143 is 341202021202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202120202143 - 2⁵ = 202120202111 is a prime.

It is a super-2 number, since 2×202120202143² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202120202143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202120202149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101060101071 + 101060101072.

It is an arithmetic number, because the mean of its divisors is an integer number (101060101072).

Almost surely, 2^202120202143 is an apocalyptic number.

202120202143 is a deficient number, since it is larger than the sum of its proper divisors (1).

202120202143 is an equidigital number, since it uses as much as digits as its factorization.

202120202143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 202120202143 its reverse (341202021202), we get a palindrome (543322223345).

The spelling of 202120202143 in words is "two hundred two billion, one hundred twenty million, two hundred two thousand, one hundred forty-three".