20284428086606 has 4 divisors (see below), whose sum is σ = 30426642129912. Its totient is φ = 10142214043302.

The previous prime is 20284428086599. The next prime is 20284428086641. The reversal of 20284428086606 is 60668082448202.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20284428086606² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5071107021650 + ... + 5071107021653.

It is an arithmetic number, because the mean of its divisors is an integer number (7606660532478).

Almost surely, 2^{20284428086606} is an apocalyptic number.

20284428086606 is a deficient number, since it is larger than the sum of its proper divisors (10142214043306).

20284428086606 is a wasteful number, since it uses less digits than its factorization.

20284428086606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10142214043305.

The product of its (nonzero) digits is 14155776, while the sum is 56.

The spelling of 20284428086606 in words is "twenty trillion, two hundred eighty-four billion, four hundred twenty-eight million, eighty-six thousand, six hundred six".