20113301109 has 12 divisors (see below), whose sum is σ = 29477345408. Its totient is φ = 12189879240.

The previous prime is 20113301099. The next prime is 20113301111. The reversal of 20113301109 is 90110331102.

It is not a de Polignac number, because 20113301109 - 2⁴ = 20113301093 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 (20113301149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27703909 + ... + 27704634.

Almost surely, 2^20113301109 is an apocalyptic number.

It is an amenable number.

20113301109 is a deficient number, since it is larger than the sum of its proper divisors (9364044299).

20113301109 is a wasteful number, since it uses less digits than its factorization.

20113301109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55408568 (or 55408557 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

The spelling of 20113301109 in words is "twenty billion, one hundred thirteen million, three hundred one thousand, one hundred nine".