20086800149 has 8 divisors (see below), whose sum is σ = 22377867960. Its totient is φ = 17902293696.

The previous prime is 20086800121. The next prime is 20086800221. The reversal of 20086800149 is 94100868002.

It can be written as a sum of positive squares in 4 ways, for example, as 2008653124 + 18078147025 = 44818^2 + 134455^2 .

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 20086800149 - 2²⁸ = 19818364693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20086806149) 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 7 ways as a sum of consecutive naturals, for example, 26639942 + ... + 26640695.

It is an arithmetic number, because the mean of its divisors is an integer number (2797233495).

Almost surely, 2^20086800149 is an apocalyptic number.

20086800149 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

20086800149 is a deficient number, since it is larger than the sum of its proper divisors (2291067811).

20086800149 is a wasteful number, since it uses less digits than its factorization.

20086800149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53280679.

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 20086800149 in words is "twenty billion, eighty-six million, eight hundred thousand, one hundred forty-nine".