202442434 has 12 divisors (see below), whose sum is σ = 305953074. Its totient is φ = 100463744.

The previous prime is 202442423. The next prime is 202442441. The reversal of 202442434 is 434244202.

It can be written as a sum of positive squares in 3 ways, for example, as 202350625 + 91809 = 14225^2 + 303^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202442399 and 202442408.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34842 + ... + 40234.

Almost surely, 2^202442434 is an apocalyptic number.

202442434 is a deficient number, since it is larger than the sum of its proper divisors (103510640).

202442434 is an equidigital number, since it uses as much as digits as its factorization.

202442434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5669 (or 5532 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 202442434 is about 14228.2266639241. The cubic root of 202442434 is about 587.1744956496.

Adding to 202442434 its reverse (434244202), we get a palindrome (636686636).

The spelling of 202442434 in words is "two hundred two million, four hundred forty-two thousand, four hundred thirty-four".