20317349954 has 16 divisors (see below), whose sum is σ = 33551591040. Its totient is φ = 9150431760.

The previous prime is 20317349947. The next prime is 20317349957. The reversal of 20317349954 is 45994371302.

It is a happy number.

20317349954 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 20317349899 and 20317349908.

It is not an unprimeable number, because it can be changed into a prime (20317349957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4233914 + ... + 4238709.

It is an arithmetic number, because the mean of its divisors is an integer number (2096974440).

Almost surely, 2^20317349954 is an apocalyptic number.

20317349954 is a deficient number, since it is larger than the sum of its proper divisors (13234241086).

20317349954 is a wasteful number, since it uses less digits than its factorization.

20317349954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8472745.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 20317349954 in words is "twenty billion, three hundred seventeen million, three hundred forty-nine thousand, nine hundred fifty-four".