20354740566004 has 48 divisors (see below), whose sum is σ = 38918415214672. Its totient is φ = 9258163080192.

The previous prime is 20354740565989. The next prime is 20354740566023. The reversal of 20354740566004 is 40066504745302.

It can be written as a sum of positive squares in 8 ways, for example, as 799418386404 + 19555322179600 = 894102^2 + 4422140^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2394262 + ... + 6814834.

Almost surely, 2^{20354740566004} is an apocalyptic number.

It is an amenable number.

20354740566004 is a deficient number, since it is larger than the sum of its proper divisors (18563674648668).

20354740566004 is a wasteful number, since it uses less digits than its factorization.

20354740566004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421876 (or 4421874 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 46.

The spelling of 20354740566004 in words is "twenty trillion, three hundred fifty-four billion, seven hundred forty million, five hundred sixty-six thousand, four".