20316480328 has 8 divisors (see below), whose sum is σ = 38093400630. Its totient is φ = 10158240160.

The previous prime is 20316480271. The next prime is 20316480329. The reversal of 20316480328 is 82308461302.

It can be written as a sum of positive squares in only one way, i.e., 20299980484 + 16499844 = 142478^2 + 4062^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20316480329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269780013 + ... + 1269780028.

Almost surely, 2^20316480328 is an apocalyptic number.

It is an amenable number.

20316480328 is a deficient number, since it is larger than the sum of its proper divisors (17776920302).

20316480328 is a wasteful number, since it uses less digits than its factorization.

20316480328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539560047 (or 2539560043 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 20316480328 in words is "twenty billion, three hundred sixteen million, four hundred eighty thousand, three hundred twenty-eight".