20089349149 has 16 divisors (see below), whose sum is σ = 21062674944. Its totient is φ = 19124582400.

The previous prime is 20089349131. The next prime is 20089349177. The reversal of 20089349149 is 94194398002.

It is a cyclic number.

It is not a de Polignac number, because 20089349149 - 2¹¹ = 20089347101 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 (20089341149) 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 15 ways as a sum of consecutive naturals, for example, 4480989 + ... + 4485469.

It is an arithmetic number, because the mean of its divisors is an integer number (1316417184).

Almost surely, 2^20089349149 is an apocalyptic number.

It is an amenable number.

20089349149 is a deficient number, since it is larger than the sum of its proper divisors (973325795).

20089349149 is a wasteful number, since it uses less digits than its factorization.

20089349149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 20089349149 in words is "twenty billion, eighty-nine million, three hundred forty-nine thousand, one hundred forty-nine".