20648330161501 has 8 divisors (see below), whose sum is σ = 23599330445504. Its totient is φ = 17697639585600.

The previous prime is 20648330161483. The next prime is 20648330161577. The reversal of 20648330161501 is 10516103384602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20648330161501 - 2¹¹ = 20648330159453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20648330165501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77284140 + ... + 77550853.

It is an arithmetic number, because the mean of its divisors is an integer number (2949916305688).

Almost surely, 2^{20648330161501} is an apocalyptic number.

It is an amenable number.

20648330161501 is a deficient number, since it is larger than the sum of its proper divisors (2951000284003).

20648330161501 is a wasteful number, since it uses less digits than its factorization.

20648330161501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154854051.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 20648330161501 in words is "twenty trillion, six hundred forty-eight billion, three hundred thirty million, one hundred sixty-one thousand, five hundred one".