20308571067 has 8 divisors (see below), whose sum is σ = 27482245696. Its totient is φ = 13336971912.

The previous prime is 20308571047. The next prime is 20308571089. The reversal of 20308571067 is 76017580302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20308571067 - 2⁸ = 20308570811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20308571047) 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, 50518633 + ... + 50519034.

It is an arithmetic number, because the mean of its divisors is an integer number (3435280712).

Almost surely, 2^20308571067 is an apocalyptic number.

20308571067 is a deficient number, since it is larger than the sum of its proper divisors (7173674629).

20308571067 is a wasteful number, since it uses less digits than its factorization.

20308571067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101037737.

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 20308571067 in words is "twenty billion, three hundred eight million, five hundred seventy-one thousand, sixty-seven".