202068842 has 4 divisors (see below), whose sum is σ = 303103266. Its totient is φ = 101034420.

The previous prime is 202068833. The next prime is 202068847. The reversal of 202068842 is 248860202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 248860202 = 2 ⋅124430101.

It can be written as a sum of positive squares in only one way, i.e., 123232201 + 78836641 = 11101^2 + 8879^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202068799 and 202068808.

It is not an unprimeable number, because it can be changed into a prime (202068847) by changing a digit.

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 as a sum of consecutive naturals, namely, 50517209 + ... + 50517212.

Almost surely, 2^202068842 is an apocalyptic number.

202068842 is a deficient number, since it is larger than the sum of its proper divisors (101034424).

202068842 is a wasteful number, since it uses less digits than its factorization.

202068842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101034423.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 202068842 is about 14215.0920503527. The cubic root of 202068842 is about 586.8130780555.

The spelling of 202068842 in words is "two hundred two million, sixty-eight thousand, eight hundred forty-two".