20366120105 has 32 divisors (see below), whose sum is σ = 26112844800. Its totient is φ = 15195294720.

The previous prime is 20366120051. The next prime is 20366120119. The reversal of 20366120105 is 50102166302.

It is not a de Polignac number, because 20366120105 - 2⁸ = 20366119849 is a prime.

It is a super-2 number, since 2×20366120105² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 4952000 + ... + 4956110.

It is an arithmetic number, because the mean of its divisors is an integer number (816026400).

Almost surely, 2^20366120105 is an apocalyptic number.

It is an amenable number.

20366120105 is a deficient number, since it is larger than the sum of its proper divisors (5746724695).

20366120105 is a wasteful number, since it uses less digits than its factorization.

20366120105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 20366120105 its reverse (50102166302), we get a palindrome (70468286407).

The spelling of 20366120105 in words is "twenty billion, three hundred sixty-six million, one hundred twenty thousand, one hundred five".