20381306746602 has 16 divisors (see below), whose sum is σ = 40762805559840. Its totient is φ = 6793736904432.

The previous prime is 20381306746579. The next prime is 20381306746621. The reversal of 20381306746602 is 20664760318302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6604477 + ... + 9185952.

It is an arithmetic number, because the mean of its divisors is an integer number (2547675347490).

Almost surely, 2^{20381306746602} is an apocalyptic number.

20381306746602 is an abundant number, since it is smaller than the sum of its proper divisors (20381498813238).

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

20381306746602 is a wasteful number, since it uses less digits than its factorization.

20381306746602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16005557.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 20381306746602 in words is "twenty trillion, three hundred eighty-one billion, three hundred six million, seven hundred forty-six thousand, six hundred two".