20378386304624 has 20 divisors (see below), whose sum is σ = 40072423817544. Its totient is φ = 10037115642048.

The previous prime is 20378386304611. The next prime is 20378386304671. The reversal of 20378386304624 is 42640368387302.

It is a self number, because there is not a number n which added to its sum of digits gives 20378386304624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9504843287 + ... + 9504845430.

Almost surely, 2^{20378386304624} is an apocalyptic number.

It is an amenable number.

20378386304624 is a deficient number, since it is larger than the sum of its proper divisors (19694037512920).

20378386304624 is a wasteful number, since it uses less digits than its factorization.

20378386304624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19009688792 (or 19009688786 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 56.

The spelling of 20378386304624 in words is "twenty trillion, three hundred seventy-eight billion, three hundred eighty-six million, three hundred four thousand, six hundred twenty-four".