800013733720 has 16 divisors (see below), whose sum is σ = 1800030900960. Its totient is φ = 320005493472.

The previous prime is 800013733679. The next prime is 800013733721. The reversal of 800013733720 is 27337310008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800013733721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10000171632 + ... + 10000171711.

It is an arithmetic number, because the mean of its divisors is an integer number (112501931310).

Almost surely, 2^800013733720 is an apocalyptic number.

It is an amenable number.

800013733720 is an abundant number, since it is smaller than the sum of its proper divisors (1000017167240).

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

800013733720 is a wasteful number, since it uses less digits than its factorization.

800013733720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20000343354 (or 20000343350 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The spelling of 800013733720 in words is "eight hundred billion, thirteen million, seven hundred thirty-three thousand, seven hundred twenty".