20712712227807 has 16 divisors (see below), whose sum is σ = 27771939296640. Its totient is φ = 13730983906272.

The previous prime is 20712712227773. The next prime is 20712712227871. The reversal of 20712712227807 is 70872221721702.

It is not a de Polignac number, because 20712712227807 - 2⁶ = 20712712227743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20712712227877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21610788 + ... + 22548870.

It is an arithmetic number, because the mean of its divisors is an integer number (1735746206040).

Almost surely, 2^{20712712227807} is an apocalyptic number.

20712712227807 is a deficient number, since it is larger than the sum of its proper divisors (7059227068833).

20712712227807 is a wasteful number, since it uses less digits than its factorization.

20712712227807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979382.

The product of its (nonzero) digits is 614656, while the sum is 48.

The spelling of 20712712227807 in words is "twenty trillion, seven hundred twelve billion, seven hundred twelve million, two hundred twenty-seven thousand, eight hundred seven".