4020201266 has 4 divisors (see below), whose sum is σ = 6030301902. Its totient is φ = 2010100632.

The previous prime is 4020201239. The next prime is 4020201301. The reversal of 4020201266 is 6621020204.

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., 2737487041 + 1282714225 = 52321^2 + 35815^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005050315 + ... + 1005050318.

Almost surely, 2^4020201266 is an apocalyptic number.

4020201266 is a deficient number, since it is larger than the sum of its proper divisors (2010100636).

4020201266 is a wasteful number, since it uses less digits than its factorization.

4020201266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010100635.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 4020201266 is about 63405.0571011493. The cubic root of 4020201266 is about 1590.0688584817.

The spelling of 4020201266 in words is "four billion, twenty million, two hundred one thousand, two hundred sixty-six".