20803038068736 has 1440 divisors, whose sum is σ = 80332596384768. Its totient is φ = 5026432942080.

The previous prime is 20803038068723. The next prime is 20803038068749. The reversal of 20803038068736 is 63786083030802.

20803038068736 is a `hidden beast` number, since 208 + 0 + 303 + 8 + 0 + 68 + 73 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (20803038068723) and next prime (20803038068749).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9662348236 + ... + 9662350388.

Almost surely, 2^{20803038068736} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20803038068736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40166298192384).

20803038068736 is an abundant number, since it is smaller than the sum of its proper divisors (59529558316032).

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

20803038068736 is a wasteful number, since it uses less digits than its factorization.

20803038068736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265 (or 2236 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 20803038068736 in words is "twenty trillion, eight hundred three billion, thirty-eight million, sixty-eight thousand, seven hundred thirty-six".