202642342 has 32 divisors (see below), whose sum is σ = 358848000. Its totient is φ = 85776264.

The previous prime is 202642337. The next prime is 202642367. The reversal of 202642342 is 243246202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55159 + ... + 58717.

It is an arithmetic number, because the mean of its divisors is an integer number (11214000).

Almost surely, 2^202642342 is an apocalyptic number.

202642342 is the 7118-th decagonal number.

202642342 is a deficient number, since it is larger than the sum of its proper divisors (156205658).

202642342 is an equidigital number, since it uses as much as digits as its factorization.

202642342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665 (or 3651 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 202642342 is about 14235.2499802427. The cubic root of 202642342 is about 587.3677065636.

Adding to 202642342 its reverse (243246202), we get a palindrome (445888544).

The spelling of 202642342 in words is "two hundred two million, six hundred forty-two thousand, three hundred forty-two".