20200440240266 has 32 divisors (see below), whose sum is σ = 35796850084800. Its totient is φ = 8428358839680.

The previous prime is 20200440240181. The next prime is 20200440240283. The reversal of 20200440240266 is 66204204400202.

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 in 15 ways as a sum of consecutive naturals, for example, 197241851 + ... + 197344238.

It is an arithmetic number, because the mean of its divisors is an integer number (1118651565150).

Almost surely, 2^{20200440240266} is an apocalyptic number.

20200440240266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20200440240266 is a deficient number, since it is larger than the sum of its proper divisors (15596409844534).

20200440240266 is a wasteful number, since it uses less digits than its factorization.

20200440240266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394586294.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 20200440240266 its reverse (66204204400202), we get a palindrome (86404644640468).

The spelling of 20200440240266 in words is "twenty trillion, two hundred billion, four hundred forty million, two hundred forty thousand, two hundred sixty-six".