2000197981392 has 160 divisors (see below), whose sum is σ = 5858989584000. Its totient is φ = 582908368896.

The previous prime is 2000197981363. The next prime is 2000197981409. The reversal of 2000197981392 is 2931897910002.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 53250234 + ... + 53287782.

It is an arithmetic number, because the mean of its divisors is an integer number (36618684900).

Almost surely, 2^{2000197981392} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2000197981392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2929494792000).

2000197981392 is an abundant number, since it is smaller than the sum of its proper divisors (3858791602608).

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

2000197981392 is a wasteful number, since it uses less digits than its factorization.

2000197981392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42085 (or 42079 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 51.

The spelling of 2000197981392 in words is "two trillion, one hundred ninety-seven million, nine hundred eighty-one thousand, three hundred ninety-two".