4020264066 has 64 divisors (see below), whose sum is σ = 9923493888. Its totient is φ = 1057347648.

The previous prime is 4020264049. The next prime is 4020264077. The reversal of 4020264066 is 6604620204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190351 + ... + 210413.

It is an arithmetic number, because the mean of its divisors is an integer number (155054592).

Almost surely, 2^4020264066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4020264066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4961746944).

4020264066 is an abundant number, since it is smaller than the sum of its proper divisors (5903229822).

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

4020264066 is a wasteful number, since it uses less digits than its factorization.

4020264066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20455.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 4020264066 is about 63405.5523278522. The cubic root of 4020264066 is about 1590.0771379846.

The spelling of 4020264066 in words is "four billion, twenty million, two hundred sixty-four thousand, sixty-six".