20051106085 has 8 divisors (see below), whose sum is σ = 24063567480. Its totient is φ = 16039391424.

The previous prime is 20051106071. The next prime is 20051106091. The reversal of 20051106085 is 58060115002.

It can be written as a sum of positive squares in 4 ways, for example, as 361684324 + 19689421761 = 19018^2 + 140319^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20051106085 - 2¹¹ = 20051104037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125802 + ... + 236491.

It is an arithmetic number, because the mean of its divisors is an integer number (3007945935).

Almost surely, 2^20051106085 is an apocalyptic number.

It is an amenable number.

20051106085 is a deficient number, since it is larger than the sum of its proper divisors (4012461395).

20051106085 is a wasteful number, since it uses less digits than its factorization.

20051106085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373367.

The product of its (nonzero) digits is 2400, while the sum is 28.

The spelling of 20051106085 in words is "twenty billion, fifty-one million, one hundred six thousand, eighty-five".