20126324524154 has 4 divisors (see below), whose sum is σ = 30189486786234. Its totient is φ = 10063162262076.

The previous prime is 20126324524151. The next prime is 20126324524193. The reversal of 20126324524154 is 45142542362102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20089462444129 + 36862080025 = 4482127^2 + 191995^2 .

It is not an unprimeable number, because it can be changed into a prime (20126324524151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5031581131037 + ... + 5031581131040.

Almost surely, 2^{20126324524154} is an apocalyptic number.

20126324524154 is a deficient number, since it is larger than the sum of its proper divisors (10063162262080).

20126324524154 is a wasteful number, since it uses less digits than its factorization.

20126324524154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10063162262079.

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 20126324524154 its reverse (45142542362102), we get a palindrome (65268866886256).

The spelling of 20126324524154 in words is "twenty trillion, one hundred twenty-six billion, three hundred twenty-four million, five hundred twenty-four thousand, one hundred fifty-four".