20943360000 has 650 divisors, whose sum is σ = 78953884482. Its totient is φ = 5529600000.

The previous prime is 20943359993. The next prime is 20943360007. The reversal of 20943360000 is 6334902.

20943360000 is a `hidden beast` number, since 20 + 9 + 4 + 33 + 600 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (20943359993) and next prime (20943360007).

It can be written as a sum of positive squares in 5 ways, for example, as 2931572736 + 18011787264 = 54144^2 + 134208^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20943360007) by changing a digit.

It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 207359950 + ... + 207360050.

Almost surely, 2^20943360000 is an apocalyptic number.

20943360000 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 20943360000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39476942241).

20943360000 is an abundant number, since it is smaller than the sum of its proper divisors (58010524482).

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

20943360000 is an frugal number, since it uses more digits than its factorization.

20943360000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 20943360000 its reverse (6334902), we get a palindrome (20949694902).

The spelling of 20943360000 in words is "twenty billion, nine hundred forty-three million, three hundred sixty thousand".