20126256105362 has 16 divisors (see below), whose sum is σ = 32934107520000. Its totient is φ = 9148233259440.

The previous prime is 20126256105353. The next prime is 20126256105367. The reversal of 20126256105362 is 26350165262102.

It is not an unprimeable number, because it can be changed into a prime (20126256105367) 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 7 ways as a sum of consecutive naturals, for example, 8537 + ... + 6344492.

It is an arithmetic number, because the mean of its divisors is an integer number (2058381720000).

Almost surely, 2^{20126256105362} is an apocalyptic number.

20126256105362 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20126256105362 is a deficient number, since it is larger than the sum of its proper divisors (12807851414638).

20126256105362 is a wasteful number, since it uses less digits than its factorization.

20126256105362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6497041.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 20126256105362 in words is "twenty trillion, one hundred twenty-six billion, two hundred fifty-six million, one hundred five thousand, three hundred sixty-two".