202102443 has 12 divisors (see below), whose sum is σ = 309098088. Its totient is φ = 126809280.

The previous prime is 202102429. The next prime is 202102457. The reversal of 202102443 is 344201202.

It is an interprime number because it is at equal distance from previous prime (202102429) and next prime (202102457).

It is not a de Polignac number, because 202102443 - 2⁹ = 202101931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202102493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 660313 + ... + 660618.

It is an arithmetic number, because the mean of its divisors is an integer number (25758174).

Almost surely, 2^202102443 is an apocalyptic number.

202102443 is a deficient number, since it is larger than the sum of its proper divisors (106995645).

202102443 is a wasteful number, since it uses less digits than its factorization.

202102443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320954 (or 1320951 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 202102443 is about 14216.2738789037. The cubic root of 202102443 is about 586.8456023069.

Adding to 202102443 its reverse (344201202), we get a palindrome (546303645).

The spelling of 202102443 in words is "two hundred two million, one hundred two thousand, four hundred forty-three".