20126324524155 has 16 divisors (see below), whose sum is σ = 32202179308320. Its totient is φ = 10734019723008.

The previous prime is 20126324524151. The next prime is 20126324524193. The reversal of 20126324524155 is 55142542362102.

It is not a de Polignac number, because 20126324524155 - 2² = 20126324524151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20126324524151) 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, 10803969 + ... + 12529101.

It is an arithmetic number, because the mean of its divisors is an integer number (2012636206770).

Almost surely, 2^{20126324524155} is an apocalyptic number.

20126324524155 is a deficient number, since it is larger than the sum of its proper divisors (12075854784165).

20126324524155 is a wasteful number, since it uses less digits than its factorization.

20126324524155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502910.

The product of its (nonzero) digits is 576000, while the sum is 42.

Adding to 20126324524155 its reverse (55142542362102), we get a palindrome (75268866886257).

The spelling of 20126324524155 in words is "twenty trillion, one hundred twenty-six billion, three hundred twenty-four million, five hundred twenty-four thousand, one hundred fifty-five".