20600611807 has 4 divisors (see below), whose sum is σ = 20607398056. Its totient is φ = 20593825560.

The previous prime is 20600611799. The next prime is 20600611847. The reversal of 20600611807 is 70811600602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70811600602 = 2 ⋅35405800301.

It is a cyclic number.

It is not a de Polignac number, because 20600611807 - 2³ = 20600611799 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 (20600611847) 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, 3388569 + ... + 3394642.

It is an arithmetic number, because the mean of its divisors is an integer number (5151849514).

Almost surely, 2^20600611807 is an apocalyptic number.

20600611807 is a deficient number, since it is larger than the sum of its proper divisors (6786249).

20600611807 is an equidigital number, since it uses as much as digits as its factorization.

20600611807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6786248.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 20600611807 in words is "twenty billion, six hundred million, six hundred eleven thousand, eight hundred seven".