20317734306 has 20 divisors (see below), whose sum is σ = 45526775382. Its totient is φ = 6772578048.

The previous prime is 20317734299. The next prime is 20317734329. The reversal of 20317734306 is 60343771302.

20317734306 is a `hidden beast` number, since 2 + 0 + 317 + 7 + 34 + 306 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11665944081 + 8651790225 = 108009^2 + 93015^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 62708895 + ... + 62709218.

Almost surely, 2^20317734306 is an apocalyptic number.

20317734306 is an abundant number, since it is smaller than the sum of its proper divisors (25209041076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20317734306 is a wasteful number, since it uses less digits than its factorization.

20317734306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125418127 (or 125418118 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The spelling of 20317734306 in words is "twenty billion, three hundred seventeen million, seven hundred thirty-four thousand, three hundred six".