202010243 has 2 divisors, whose sum is σ = 202010244. Its totient is φ = 202010242.

The previous prime is 202010231. The next prime is 202010257. The reversal of 202010243 is 342010202.

It is an a-pointer prime, because the next prime (202010257) can be obtained adding 202010243 to its sum of digits (14).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202010243 - 2¹⁴ = 201993859 is a prime.

It is not a weakly prime, because it can be changed into another prime (202010203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101005121 + 101005122.

It is an arithmetic number, because the mean of its divisors is an integer number (101005122).

Almost surely, 2^202010243 is an apocalyptic number.

202010243 is a deficient number, since it is larger than the sum of its proper divisors (1).

202010243 is an equidigital number, since it uses as much as digits as its factorization.

202010243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 202010243 is about 14213.0307464664. The cubic root of 202010243 is about 586.7563482405.

Adding to 202010243 its reverse (342010202), we get a palindrome (544020445).

The spelling of 202010243 in words is "two hundred two million, ten thousand, two hundred forty-three".