20012418407427 has 16 divisors (see below), whose sum is σ = 27845003159808. Its totient is φ = 12760791230880.

The previous prime is 20012418407351. The next prime is 20012418407437. The reversal of 20012418407427 is 72470481421002.

It is not a de Polignac number, because 20012418407427 - 2¹⁸ = 20012418145283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20012418407437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7351168 + ... + 9698685.

It is an arithmetic number, because the mean of its divisors is an integer number (1740312697488).

Almost surely, 2^{20012418407427} is an apocalyptic number.

20012418407427 is a deficient number, since it is larger than the sum of its proper divisors (7832584752381).

20012418407427 is a wasteful number, since it uses less digits than its factorization.

20012418407427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17066890.

The product of its (nonzero) digits is 200704, while the sum is 42.

Adding to 20012418407427 its reverse (72470481421002), we get a palindrome (92482899828429).

The spelling of 20012418407427 in words is "twenty trillion, twelve billion, four hundred eighteen million, four hundred seven thousand, four hundred twenty-seven".