20366504244105 has 16 divisors (see below), whose sum is σ = 32602050818880. Its totient is φ = 10856920920768.

The previous prime is 20366504244077. The next prime is 20366504244127. The reversal of 20366504244105 is 50144240566302.

It is a happy number.

It is not a de Polignac number, because 20366504244105 - 2¹⁹ = 20366503719817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325884970 + ... + 325947459.

It is an arithmetic number, because the mean of its divisors is an integer number (2037628176180).

Almost surely, 2^{20366504244105} is an apocalyptic number.

It is an amenable number.

20366504244105 is a deficient number, since it is larger than the sum of its proper divisors (12235546574775).

20366504244105 is a wasteful number, since it uses less digits than its factorization.

20366504244105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651834520.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 20366504244105 in words is "twenty trillion, three hundred sixty-six billion, five hundred four million, two hundred forty-four thousand, one hundred five".