202146426 has 12 divisors (see below), whose sum is σ = 437983962. Its totient is φ = 67382136.

The previous prime is 202146409. The next prime is 202146431. The reversal of 202146426 is 624641202.

202146426 is a `hidden beast` number, since 2 + 0 + 2 + 14 + 642 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 103124025 + 99022401 = 10155^2 + 9951^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 202146426.

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 5 ways as a sum of consecutive naturals, for example, 5615161 + ... + 5615196.

Almost surely, 2^202146426 is an apocalyptic number.

202146426 is an abundant number, since it is smaller than the sum of its proper divisors (235837536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202146426 is a wasteful number, since it uses less digits than its factorization.

202146426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11230365 (or 11230362 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 202146426 is about 14217.8207190835. The cubic root of 202146426 is about 586.8881704183. Note that the first 3 decimals are identical.

Adding to 202146426 its reverse (624641202), we get a palindrome (826787628).

The spelling of 202146426 in words is "two hundred two million, one hundred forty-six thousand, four hundred twenty-six".