1920922354998 has 96 divisors (see below), whose sum is σ = 4336589537280. Its totient is φ = 613849803840.

The previous prime is 1920922354997. The next prime is 1920922355041. The reversal of 1920922354998 is 8994532290291.

1920922354998 is a `hidden beast` number, since 1 + 9 + 20 + 92 + 2 + 35 + 499 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920922354997) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47956263 + ... + 47996301.

It is an arithmetic number, because the mean of its divisors is an integer number (45172807680).

Almost surely, 2^{1920922354998} is an apocalyptic number.

1920922354998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1920922354998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2168294768640).

1920922354998 is an abundant number, since it is smaller than the sum of its proper divisors (2415667182282).

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

1920922354998 is a wasteful number, since it uses less digits than its factorization.

1920922354998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40882 (or 40879 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 63.

The spelling of 1920922354998 in words is "one trillion, nine hundred twenty billion, nine hundred twenty-two million, three hundred fifty-four thousand, nine hundred ninety-eight".