20005150665303 has 24 divisors (see below), whose sum is σ = 30534370513920. Its totient is φ = 12595427816400.

The previous prime is 20005150665301. The next prime is 20005150665361. The reversal of 20005150665303 is 30356605150002.

20005150665303 is a `hidden beast` number, since 20 + 0 + 0 + 51 + 50 + 6 + 6 + 530 + 3 = 666.

It is not a de Polignac number, because 20005150665303 - 2¹ = 20005150665301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005150665301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 611649723 + ... + 611682428.

It is an arithmetic number, because the mean of its divisors is an integer number (1272265438080).

Almost surely, 2^{20005150665303} is an apocalyptic number.

20005150665303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20005150665303 is a deficient number, since it is larger than the sum of its proper divisors (10529219848617).

20005150665303 is a wasteful number, since it uses less digits than its factorization.

20005150665303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223332259 (or 1223332256 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 20005150665303 in words is "twenty trillion, five billion, one hundred fifty million, six hundred sixty-five thousand, three hundred three".