20014585667 has 4 divisors (see below), whose sum is σ = 20071934400. Its totient is φ = 19957236936.

The previous prime is 20014585663. The next prime is 20014585709. The reversal of 20014585667 is 76658541002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76658541002 = 2 ⋅38329270501.

It is a cyclic number.

It is not a de Polignac number, because 20014585667 - 2² = 20014585663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20014585663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28673843 + ... + 28674540.

It is an arithmetic number, because the mean of its divisors is an integer number (5017983600).

Almost surely, 2^20014585667 is an apocalyptic number.

20014585667 is a deficient number, since it is larger than the sum of its proper divisors (57348733).

20014585667 is an equidigital number, since it uses as much as digits as its factorization.

20014585667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57348732.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 20014585667 in words is "twenty billion, fourteen million, five hundred eighty-five thousand, six hundred sixty-seven".