20132250109 has 64 divisors (see below), whose sum is σ = 23265792000. Its totient is φ = 17332358400.

The previous prime is 20132250101. The next prime is 20132250137. The reversal of 20132250109 is 90105223102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20132250109 - 2³ = 20132250101 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 (20132250101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 112470582 + ... + 112470760.

It is an arithmetic number, because the mean of its divisors is an integer number (363528000).

Almost surely, 2^20132250109 is an apocalyptic number.

20132250109 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

20132250109 is a deficient number, since it is larger than the sum of its proper divisors (3133541891).

20132250109 is a wasteful number, since it uses less digits than its factorization.

20132250109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418.

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 20132250109 in words is "twenty billion, one hundred thirty-two million, two hundred fifty thousand, one hundred nine".