202004426 has 8 divisors (see below), whose sum is σ = 326314884. Its totient is φ = 93232800.

The previous prime is 202004419. The next prime is 202004431. The reversal of 202004426 is 624400202.

It can be written as a sum of positive squares in 2 ways, for example, as 154380625 + 47623801 = 12425^2 + 6901^2 .

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 = 202004398 and 202004407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3884675 + ... + 3884726.

Almost surely, 2^202004426 is an apocalyptic number.

202004426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

202004426 is a deficient number, since it is larger than the sum of its proper divisors (124310458).

202004426 is a wasteful number, since it uses less digits than its factorization.

202004426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7769416.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 202004426 is about 14212.8261088356. The cubic root of 202004426 is about 586.7507161920.

Adding to 202004426 its reverse (624400202), we get a palindrome (826404628).

The spelling of 202004426 in words is "two hundred two million, four thousand, four hundred twenty-six".