20319147586 has 16 divisors (see below), whose sum is σ = 30618847584. Its totient is φ = 10112892064.

The previous prime is 20319147559. The next prime is 20319147593. The reversal of 20319147586 is 68574191302.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2786301 + ... + 2793583.

It is an arithmetic number, because the mean of its divisors is an integer number (1913677974).

It is a 2-persistent number, because it is pandigital, and so is 2⋅20319147586 = 40638295172, but 3⋅20319147586 = 60957442758 is not.

Almost surely, 2^20319147586 is an apocalyptic number.

20319147586 is a deficient number, since it is larger than the sum of its proper divisors (10299699998).

20319147586 is a wasteful number, since it uses less digits than its factorization.

20319147586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13505.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 20319147586 in words is "twenty billion, three hundred nineteen million, one hundred forty-seven thousand, five hundred eighty-six".