20302331105155 has 8 divisors (see below), whose sum is σ = 26577597083184. Its totient is φ = 14765331712800.

The previous prime is 20302331105107. The next prime is 20302331105209. The reversal of 20302331105155 is 55150113320302.

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

It is not a de Polignac number, because 20302331105155 - 2²⁹ = 20301794234243 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184566646356 + ... + 184566646465.

It is an arithmetic number, because the mean of its divisors is an integer number (3322199635398).

Almost surely, 2^{20302331105155} is an apocalyptic number.

20302331105155 is a deficient number, since it is larger than the sum of its proper divisors (6275265978029).

20302331105155 is a wasteful number, since it uses less digits than its factorization.

20302331105155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369133292837.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 20302331105155 its reverse (55150113320302), we get a palindrome (75452444425457).

The spelling of 20302331105155 in words is "twenty trillion, three hundred two billion, three hundred thirty-one million, one hundred five thousand, one hundred fifty-five".