20626712216627 has 16 divisors (see below), whose sum is σ = 22747413911040. Its totient is φ = 18547368859200.

The previous prime is 20626712216573. The next prime is 20626712216633. The reversal of 20626712216627 is 72661221762602.

It is a cyclic number.

It is not a de Polignac number, because 20626712216627 - 2³² = 20622417249331 is a prime.

It is a super-2 number, since 2×20626712216627² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20626712216527) 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, 9898874 + ... + 11800047.

It is an arithmetic number, because the mean of its divisors is an integer number (1421713369440).

Almost surely, 2^{20626712216627} is an apocalyptic number.

20626712216627 is a deficient number, since it is larger than the sum of its proper divisors (2120701694413).

20626712216627 is a wasteful number, since it uses less digits than its factorization.

20626712216627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21699874.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 20626712216627 in words is "twenty trillion, six hundred twenty-six billion, seven hundred twelve million, two hundred sixteen thousand, six hundred twenty-seven".