20310635556452 has 6 divisors (see below), whose sum is σ = 35543612223798. Its totient is φ = 10155317778224.

The previous prime is 20310635556443. The next prime is 20310635556479. The reversal of 20310635556452 is 25465553601302.

It can be written as a sum of positive squares in only one way, i.e., 10295524664896 + 10015110891556 = 3208664^2 + 3164666^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20310635556397 and 20310635556406.

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 as a sum of consecutive naturals, namely, 2538829444553 + ... + 2538829444560.

It is an arithmetic number, because the mean of its divisors is an integer number (5923935370633).

Almost surely, 2^{20310635556452} is an apocalyptic number.

It is an amenable number.

20310635556452 is a deficient number, since it is larger than the sum of its proper divisors (15232976667346).

20310635556452 is a wasteful number, since it uses less digits than its factorization.

20310635556452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5077658889117 (or 5077658889115 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 47.

The spelling of 20310635556452 in words is "twenty trillion, three hundred ten billion, six hundred thirty-five million, five hundred fifty-six thousand, four hundred fifty-two".