20718360000 has 840 divisors, whose sum is σ = 84483519120. Its totient is φ = 4810752000.

The previous prime is 20718359947. The next prime is 20718360007. The reversal of 20718360000 is 6381702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20718360007) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 88919884 + ... + 88920116.

It is an arithmetic number, because the mean of its divisors is an integer number (100575618).

Almost surely, 2^20718360000 is an apocalyptic number.

20718360000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20718360000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42241759560).

20718360000 is an abundant number, since it is smaller than the sum of its proper divisors (63765159120).

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

20718360000 is a wasteful number, since it uses less digits than its factorization.

20718360000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 20718360000 in words is "twenty billion, seven hundred eighteen million, three hundred sixty thousand".