202468642 has 8 divisors (see below), whose sum is σ = 303789996. Its totient is φ = 101205312.

The previous prime is 202468631. The next prime is 202468661. The reversal of 202468642 is 246864202.

It can be written as a sum of positive squares in 2 ways, for example, as 199402641 + 3066001 = 14121^2 + 1751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 202468598 and 202468607.

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 3 ways as a sum of consecutive naturals, for example, 4363 + ... + 20590.

Almost surely, 2^202468642 is an apocalyptic number.

202468642 is a deficient number, since it is larger than the sum of its proper divisors (101321354).

202468642 is a wasteful number, since it uses less digits than its factorization.

202468642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29012.

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 202468642 is about 14229.1476202898. The cubic root of 202468642 is about 587.1998329020.

The spelling of 202468642 in words is "two hundred two million, four hundred sixty-eight thousand, six hundred forty-two".