20014640352000 has 1728 divisors, whose sum is σ = 86336063049600. Its totient is φ = 4552895692800.

The previous prime is 20014640351897. The next prime is 20014640352041. The reversal of 20014640352000 is 25304641002.

20014640352000 is a `hidden beast` number, since 2 + 0 + 0 + 14 + 640 + 3 + 5 + 2 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1728).

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

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9864286986 + ... + 9864289014.

It is an arithmetic number, because the mean of its divisors is an integer number (49962999450).

Almost surely, 2^{20014640352000} is an apocalyptic number.

20014640352000 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 20014640352000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43168031524800).

20014640352000 is an abundant number, since it is smaller than the sum of its proper divisors (66321422697600).

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

20014640352000 is a wasteful number, since it uses less digits than its factorization.

20014640352000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316 (or 2279 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 20014640352000 its reverse (25304641002), we get a palindrome (20039944993002).

The spelling of 20014640352000 in words is "twenty trillion, fourteen billion, six hundred forty million, three hundred fifty-two thousand".