20316463996500 has 384 divisors, whose sum is σ = 75136063242240. Its totient is φ = 4643126928000.

The previous prime is 20316463996471. The next prime is 20316463996513. The reversal of 20316463996500 is 569936461302.

20316463996500 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 6 + 46 + 3 + 9 + 96 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1259771437 + ... + 1259787563.

It is an arithmetic number, because the mean of its divisors is an integer number (195666831360).

Almost surely, 2^{20316463996500} is an apocalyptic number.

20316463996500 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 20316463996500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37568031621120).

20316463996500 is an abundant number, since it is smaller than the sum of its proper divisors (54819599245740).

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

20316463996500 is a wasteful number, since it uses less digits than its factorization.

20316463996500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29493 (or 29475 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 54.

The spelling of 20316463996500 in words is "twenty trillion, three hundred sixteen billion, four hundred sixty-three million, nine hundred ninety-six thousand, five hundred".