20354944113 has 16 divisors (see below), whose sum is σ = 34463397760. Its totient is φ = 11631396528.

The previous prime is 20354944111. The next prime is 20354944139. The reversal of 20354944113 is 31144945302.

20354944113 is a `hidden beast` number, since 20 + 35 + 494 + 4 + 113 = 666.

It is not a de Polignac number, because 20354944113 - 2¹ = 20354944111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20354944111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53848870 + ... + 53849247.

It is an arithmetic number, because the mean of its divisors is an integer number (2153962360).

Almost surely, 2^20354944113 is an apocalyptic number.

It is an amenable number.

20354944113 is a deficient number, since it is larger than the sum of its proper divisors (14108453647).

20354944113 is a wasteful number, since it uses less digits than its factorization.

20354944113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107698133 (or 107698127 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 20354944113 in words is "twenty billion, three hundred fifty-four million, nine hundred forty-four thousand, one hundred thirteen".