20414912109 has 16 divisors (see below), whose sum is σ = 27519893760. Its totient is φ = 13460670720.

The previous prime is 20414912101. The next prime is 20414912129. The reversal of 20414912109 is 90121941402.

It is not a de Polignac number, because 20414912109 - 2³ = 20414912101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20414912109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20414912101) 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, 19737 + ... + 203025.

It is an arithmetic number, because the mean of its divisors is an integer number (1719993360).

Almost surely, 2^20414912109 is an apocalyptic number.

It is an amenable number.

20414912109 is a deficient number, since it is larger than the sum of its proper divisors (7104981651).

20414912109 is a wasteful number, since it uses less digits than its factorization.

20414912109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183700.

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 20414912109 in words is "twenty billion, four hundred fourteen million, nine hundred twelve thousand, one hundred nine".