20600006623 has 4 divisors (see below), whose sum is σ = 23542864720. Its totient is φ = 17657148528.

The previous prime is 20600006621. The next prime is 20600006639. The reversal of 20600006623 is 32660000602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20600006623 - 2¹ = 20600006621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20600006621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1471429038 + ... + 1471429051.

It is an arithmetic number, because the mean of its divisors is an integer number (5885716180).

Almost surely, 2^20600006623 is an apocalyptic number.

20600006623 is a deficient number, since it is larger than the sum of its proper divisors (2942858097).

20600006623 is an equidigital number, since it uses as much as digits as its factorization.

20600006623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942858096.

The product of its (nonzero) digits is 2592, while the sum is 25.

The spelling of 20600006623 in words is "twenty billion, six hundred million, six thousand, six hundred twenty-three".