20648330161484 has 12 divisors (see below), whose sum is σ = 36135547396704. Its totient is φ = 10323888048144.

The previous prime is 20648330161483. The next prime is 20648330161577. The reversal of 20648330161484 is 48416103384602.

It is not an unprimeable number, because it can be changed into a prime (20648330161483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69090404 + ... + 69388619.

It is an arithmetic number, because the mean of its divisors is an integer number (3011295616392).

Almost surely, 2^{20648330161484} is an apocalyptic number.

It is an amenable number.

20648330161484 is a deficient number, since it is larger than the sum of its proper divisors (15487217235220).

20648330161484 is a wasteful number, since it uses less digits than its factorization.

20648330161484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138516304 (or 138516302 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 50.

The spelling of 20648330161484 in words is "twenty trillion, six hundred forty-eight billion, three hundred thirty million, one hundred sixty-one thousand, four hundred eighty-four".