20013061402126 has 16 divisors (see below), whose sum is σ = 32329467770544. Its totient is φ = 9236604348864.

The previous prime is 20013061402121. The next prime is 20013061402151. The reversal of 20013061402126 is 62120416031002.

It is a junction number, because it is equal to n+sod(n) for n = 20013061402094 and 20013061402103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013061402121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6780295 + ... + 9273538.

It is an arithmetic number, because the mean of its divisors is an integer number (2020591735659).

Almost surely, 2^{20013061402126} is an apocalyptic number.

20013061402126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20013061402126 is a deficient number, since it is larger than the sum of its proper divisors (12316406368418).

20013061402126 is a wasteful number, since it uses less digits than its factorization.

20013061402126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16101795.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 20013061402126 its reverse (62120416031002), we get a palindrome (82133477433128).

The spelling of 20013061402126 in words is "twenty trillion, thirteen billion, sixty-one million, four hundred two thousand, one hundred twenty-six".