20455044553502 has 16 divisors (see below), whose sum is σ = 33495404888400. Its totient is φ = 9311463905472.

The previous prime is 20455044553417. The next prime is 20455044553511. The reversal of 20455044553502 is 20535544055402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 5388576752 + ... + 5388580547.

It is an arithmetic number, because the mean of its divisors is an integer number (2093462805525).

Almost surely, 2^{20455044553502} is an apocalyptic number.

20455044553502 is a deficient number, since it is larger than the sum of its proper divisors (13040360334898).

20455044553502 is a wasteful number, since it uses less digits than its factorization.

20455044553502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10777157387.

The product of its (nonzero) digits is 2400000, while the sum is 44.

The spelling of 20455044553502 in words is "twenty trillion, four hundred fifty-five billion, forty-four million, five hundred fifty-three thousand, five hundred two".