8020394590 has 32 divisors (see below), whose sum is σ = 15551214336. Its totient is φ = 2960616960.

The previous prime is 8020394581. The next prime is 8020394593. The reversal of 8020394590 is 954930208.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8020394593) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 900499 + ... + 909361.

It is an arithmetic number, because the mean of its divisors is an integer number (485975448).

Almost surely, 2^8020394590 is an apocalyptic number.

8020394590 is a deficient number, since it is larger than the sum of its proper divisors (7530819746).

8020394590 is a wasteful number, since it uses less digits than its factorization.

8020394590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15844.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 8020394590 is about 89556.6557548907. The cubic root of 8020394590 is about 2001.6981069750.

The spelling of 8020394590 in words is "eight billion, twenty million, three hundred ninety-four thousand, five hundred ninety".