20364347012 has 6 divisors (see below), whose sum is σ = 35637607278. Its totient is φ = 10182173504.

The previous prime is 20364346999. The next prime is 20364347071. The reversal of 20364347012 is 21074346302.

It can be written as a sum of positive squares in only one way, i.e., 14212454656 + 6151892356 = 119216^2 + 78434^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20364347012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2545543373 + ... + 2545543380.

It is an arithmetic number, because the mean of its divisors is an integer number (5939601213).

Almost surely, 2^20364347012 is an apocalyptic number.

It is an amenable number.

20364347012 is a deficient number, since it is larger than the sum of its proper divisors (15273260266).

20364347012 is a wasteful number, since it uses less digits than its factorization.

20364347012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5091086757 (or 5091086755 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 20364347012 in words is "twenty billion, three hundred sixty-four million, three hundred forty-seven thousand, twelve".