20363540108 has 6 divisors (see below), whose sum is σ = 35636195196. Its totient is φ = 10181770052.

The previous prime is 20363540081. The next prime is 20363540173. The reversal of 20363540108 is 80104536302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2545442510 + ... + 2545442517.

It is an arithmetic number, because the mean of its divisors is an integer number (5939365866).

Almost surely, 2^20363540108 is an apocalyptic number.

It is an amenable number.

20363540108 is a deficient number, since it is larger than the sum of its proper divisors (15272655088).

20363540108 is a wasteful number, since it uses less digits than its factorization.

20363540108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5090885031 (or 5090885029 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 20363540108 in words is "twenty billion, three hundred sixty-three million, five hundred forty thousand, one hundred eight".