4020268682 has 4 divisors (see below), whose sum is σ = 6030403026. Its totient is φ = 2010134340.

The previous prime is 4020268669. The next prime is 4020268723. The reversal of 4020268682 is 2868620204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3234083161 + 786185521 = 56869^2 + 28039^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005067169 + ... + 1005067172.

Almost surely, 2^4020268682 is an apocalyptic number.

4020268682 is a deficient number, since it is larger than the sum of its proper divisors (2010134344).

4020268682 is a wasteful number, since it uses less digits than its factorization.

4020268682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010134343.

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 4020268682 is about 63405.5887284394. The cubic root of 4020268682 is about 1590.0777465511.

Adding to 4020268682 its reverse (2868620204), we get a palindrome (6888888886).

The spelling of 4020268682 in words is "four billion, twenty million, two hundred sixty-eight thousand, six hundred eighty-two".