20798073013 has 8 divisors (see below), whose sum is σ = 21072401280. Its totient is φ = 20524021440.

The previous prime is 20798073007. The next prime is 20798073029. The reversal of 20798073013 is 31037089702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20798073013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20798073053) 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 7 ways as a sum of consecutive naturals, for example, 84381 + ... + 220717.

It is an arithmetic number, because the mean of its divisors is an integer number (2634050160).

Almost surely, 2^20798073013 is an apocalyptic number.

It is an amenable number.

20798073013 is a deficient number, since it is larger than the sum of its proper divisors (274328267).

20798073013 is a wasteful number, since it uses less digits than its factorization.

20798073013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138347.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 20798073013 in words is "twenty billion, seven hundred ninety-eight million, seventy-three thousand, thirteen".