20186841205596 has 192 divisors, whose sum is σ = 54733126750848. Its totient is φ = 5734619185152.

The previous prime is 20186841205589. The next prime is 20186841205631. The reversal of 20186841205596 is 69550214868102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1107150496 + ... + 1107168728.

It is an arithmetic number, because the mean of its divisors is an integer number (285068368494).

Almost surely, 2^{20186841205596} is an apocalyptic number.

20186841205596 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 20186841205596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27366563375424).

20186841205596 is an abundant number, since it is smaller than the sum of its proper divisors (34546285545252).

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

20186841205596 is a wasteful number, since it uses less digits than its factorization.

20186841205596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26200 (or 26198 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 57.

The spelling of 20186841205596 in words is "twenty trillion, one hundred eighty-six billion, eight hundred forty-one million, two hundred five thousand, five hundred ninety-six".