20347169704 has 8 divisors (see below), whose sum is σ = 38150943210. Its totient is φ = 10173584848.

The previous prime is 20347169683. The next prime is 20347169741. The reversal of 20347169704 is 40796174302.

It can be written as a sum of positive squares in only one way, i.e., 15682552900 + 4664616804 = 125230^2 + 68298^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271698099 + ... + 1271698114.

Almost surely, 2^20347169704 is an apocalyptic number.

It is an amenable number.

20347169704 is a deficient number, since it is larger than the sum of its proper divisors (17803773506).

20347169704 is a wasteful number, since it uses less digits than its factorization.

20347169704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543396219 (or 2543396215 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 20347169704 in words is "twenty billion, three hundred forty-seven million, one hundred sixty-nine thousand, seven hundred four".