20126450501227 has 16 divisors (see below), whose sum is σ = 23066778516480. Its totient is φ = 17202412660608.

The previous prime is 20126450501207. The next prime is 20126450501347. The reversal of 20126450501227 is 72210505462102.

It is not a de Polignac number, because 20126450501227 - 2⁷ = 20126450501099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20126450501207) 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, 24095043 + ... + 24916339.

It is an arithmetic number, because the mean of its divisors is an integer number (1441673657280).

Almost surely, 2^{20126450501227} is an apocalyptic number.

20126450501227 is a deficient number, since it is larger than the sum of its proper divisors (2940328015253).

20126450501227 is an equidigital number, since it uses as much as digits as its factorization.

20126450501227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831210.

The product of its (nonzero) digits is 67200, while the sum is 37.

Adding to 20126450501227 its reverse (72210505462102), we get a palindrome (92336955963329).

The spelling of 20126450501227 in words is "twenty trillion, one hundred twenty-six billion, four hundred fifty million, five hundred one thousand, two hundred twenty-seven".