20354126311227 has 64 divisors (see below), whose sum is σ = 28515040747520. Its totient is φ = 12898555084800.

The previous prime is 20354126311219. The next prime is 20354126311229. The reversal of 20354126311227 is 72211362145302.

It is not a de Polignac number, because 20354126311227 - 2³ = 20354126311219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20354126311229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1752092523 + ... + 1752104139.

It is an arithmetic number, because the mean of its divisors is an integer number (445547511680).

Almost surely, 2^{20354126311227} is an apocalyptic number.

20354126311227 is a deficient number, since it is larger than the sum of its proper divisors (8160914436293).

20354126311227 is a wasteful number, since it uses less digits than its factorization.

20354126311227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12764.

The product of its (nonzero) digits is 120960, while the sum is 39.

Adding to 20354126311227 its reverse (72211362145302), we get a palindrome (92565488456529).

The spelling of 20354126311227 in words is "twenty trillion, three hundred fifty-four billion, one hundred twenty-six million, three hundred eleven thousand, two hundred twenty-seven".