20344536503106 has 16 divisors (see below), whose sum is σ = 40689224665824. Its totient is φ = 6781486891104.

The previous prime is 20344536503101. The next prime is 20344536503117. The reversal of 20344536503106 is 60130563544302.

It is not an unprimeable number, because it can be changed into a prime (20344536503101) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4536571 + ... + 7827486.

It is an arithmetic number, because the mean of its divisors is an integer number (2543076541614).

Almost surely, 2^{20344536503106} is an apocalyptic number.

20344536503106 is an abundant number, since it is smaller than the sum of its proper divisors (20344688162718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20344536503106 is a wasteful number, since it uses less digits than its factorization.

20344536503106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12638305.

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 20344536503106 in words is "twenty trillion, three hundred forty-four billion, five hundred thirty-six million, five hundred three thousand, one hundred six".