20324171313 has 24 divisors (see below), whose sum is σ = 32720032800. Its totient is φ = 12081239424.

The previous prime is 20324171281. The next prime is 20324171317. The reversal of 20324171313 is 31317142302.

It is a happy number.

20324171313 is a `hidden beast` number, since 20 + 324 + 1 + 7 + 1 + 313 = 666.

It is not a de Polignac number, because 20324171313 - 2⁵ = 20324171281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20324171317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3492823 + ... + 3498636.

It is an arithmetic number, because the mean of its divisors is an integer number (1363334700).

Almost surely, 2^20324171313 is an apocalyptic number.

It is an amenable number.

20324171313 is a deficient number, since it is larger than the sum of its proper divisors (12395861487).

20324171313 is a wasteful number, since it uses less digits than its factorization.

20324171313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6991501 (or 6991498 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The spelling of 20324171313 in words is "twenty billion, three hundred twenty-four million, one hundred seventy-one thousand, three hundred thirteen".