4020266056 has 16 divisors (see below), whose sum is σ = 7797930300. Its totient is φ = 1940817984.

The previous prime is 4020266039. The next prime is 4020266059. The reversal of 4020266056 is 6506620204.

It can be written as a sum of positive squares in 2 ways, for example, as 3932544100 + 87721956 = 62710^2 + 9366^2 .

It is a super-2 number, since 2×4020266056² = 32325078322051590272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4020266059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8664135 + ... + 8664598.

Almost surely, 2^4020266056 is an apocalyptic number.

It is an amenable number.

4020266056 is a deficient number, since it is larger than the sum of its proper divisors (3777664244).

4020266056 is a wasteful number, since it uses less digits than its factorization.

4020266056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17328768 (or 17328764 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 4020266056 is about 63405.5680204822. The cubic root of 4020266056 is about 1590.0774003433.

The spelling of 4020266056 in words is "four billion, twenty million, two hundred sixty-six thousand, fifty-six".