20550104330151 has 64 divisors (see below), whose sum is σ = 31715371100160. Its totient is φ = 11705003856000.

The previous prime is 20550104330099. The next prime is 20550104330183. The reversal of 20550104330151 is 15103340105502.

It is not a de Polignac number, because 20550104330151 - 2¹⁰ = 20550104329127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20550104330251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 247272961 + ... + 247356053.

It is an arithmetic number, because the mean of its divisors is an integer number (495552673440).

Almost surely, 2^{20550104330151} is an apocalyptic number.

20550104330151 is a deficient number, since it is larger than the sum of its proper divisors (11165266770009).

20550104330151 is a wasteful number, since it uses less digits than its factorization.

20550104330151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86268.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 20550104330151 its reverse (15103340105502), we get a palindrome (35653444435653).

The spelling of 20550104330151 in words is "twenty trillion, five hundred fifty billion, one hundred four million, three hundred thirty thousand, one hundred fifty-one".