20086402510266 has 32 divisors (see below), whose sum is σ = 40914045708480. Its totient is φ = 6572262642816.

The previous prime is 20086402510261. The next prime is 20086402510289. The reversal of 20086402510266 is 66201520468002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20086402510261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41666731 + ... + 42146046.

It is an arithmetic number, because the mean of its divisors is an integer number (1278563928390).

Almost surely, 2^{20086402510266} is an apocalyptic number.

20086402510266 is an abundant number, since it is smaller than the sum of its proper divisors (20827643198214).

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

20086402510266 is a wasteful number, since it uses less digits than its factorization.

20086402510266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83813518.

The product of its (nonzero) digits is 276480, while the sum is 42.

Adding to 20086402510266 its reverse (66201520468002), we get a palindrome (86287922978268).

The spelling of 20086402510266 in words is "twenty trillion, eighty-six billion, four hundred two million, five hundred ten thousand, two hundred sixty-six".