20381021645314 has 16 divisors (see below), whose sum is σ = 33351234984000. Its totient is φ = 9263969555760.

The previous prime is 20381021645291. The next prime is 20381021645407. The reversal of 20381021645314 is 41354612018302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4962129 + ... + 8086084.

It is an arithmetic number, because the mean of its divisors is an integer number (2084452186500).

Almost surely, 2^{20381021645314} is an apocalyptic number.

20381021645314 is a deficient number, since it is larger than the sum of its proper divisors (12970213338686).

20381021645314 is a wasteful number, since it uses less digits than its factorization.

20381021645314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13119225.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 20381021645314 in words is "twenty trillion, three hundred eighty-one billion, twenty-one million, six hundred forty-five thousand, three hundred fourteen".