20091992016096 has 768 divisors, whose sum is σ = 78935980032000. Its totient is φ = 4801706956800.

The previous prime is 20091992016091. The next prime is 20091992016097. The reversal of 20091992016096 is 69061029919002.

20091992016096 is a `hidden beast` number, since 2 + 0 + 0 + 9 + 1 + 9 + 9 + 20 + 1 + 609 + 6 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20091992016091) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 268935355 + ... + 269010053.

It is an arithmetic number, because the mean of its divisors is an integer number (102781224000).

Almost surely, 2^{20091992016096} is an apocalyptic number.

20091992016096 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 20091992016096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39467990016000).

20091992016096 is an abundant number, since it is smaller than the sum of its proper divisors (58843988015904).

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

20091992016096 is a wasteful number, since it uses less digits than its factorization.

20091992016096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75060 (or 75046 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 54.

The spelling of 20091992016096 in words is "twenty trillion, ninety-one billion, nine hundred ninety-two million, sixteen thousand, ninety-six".