20126162711 has 4 divisors (see below), whose sum is σ = 20126798232. Its totient is φ = 20125527192.

The previous prime is 20126162671. The next prime is 20126162713. The reversal of 20126162711 is 11726162102.

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 20126162711 - 2¹⁰ = 20126161687 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 (20126162713) 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, 267620 + ... + 334473.

It is an arithmetic number, because the mean of its divisors is an integer number (5031699558).

Almost surely, 2^20126162711 is an apocalyptic number.

20126162711 is a deficient number, since it is larger than the sum of its proper divisors (635521).

20126162711 is an equidigital number, since it uses as much as digits as its factorization.

20126162711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635520.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 20126162711 in words is "twenty billion, one hundred twenty-six million, one hundred sixty-two thousand, seven hundred eleven".