20196030587616 has 144 divisors (see below), whose sum is σ = 61905139929360. Its totient is φ = 6208657827840.

The previous prime is 20196030587611. The next prime is 20196030587653. The reversal of 20196030587616 is 61678503069102.

20196030587616 is a `hidden beast` number, since 2 + 0 + 19 + 6 + 0 + 3 + 0 + 5 + 8 + 7 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×20196030587616³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20196030587611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1838031 + ... + 6615921.

It is an arithmetic number, because the mean of its divisors is an integer number (429896805065).

Almost surely, 2^{20196030587616} is an apocalyptic number.

20196030587616 is a gapful number since it is divisible by the number (26) 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 20196030587616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30952569964680).

20196030587616 is an abundant number, since it is smaller than the sum of its proper divisors (41709109341744).

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

20196030587616 is a wasteful number, since it uses less digits than its factorization.

20196030587616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4779049 (or 4779038 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 20196030587616 in words is "twenty trillion, one hundred ninety-six billion, thirty million, five hundred eighty-seven thousand, six hundred sixteen".