1920207784950 has 576 divisors, whose sum is σ = 6811824015360. Its totient is φ = 391165770240.

The previous prime is 1920207784933. The next prime is 1920207784973. The reversal of 1920207784950 is 594877020291.

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 287 ways as a sum of consecutive naturals, for example, 32033907 + ... + 32093793.

It is an arithmetic number, because the mean of its divisors is an integer number (11826083360).

Almost surely, 2^{1920207784950} is an apocalyptic number.

1920207784950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1920207784950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3405912007680).

1920207784950 is an abundant number, since it is smaller than the sum of its proper divisors (4891616230410).

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

1920207784950 is a wasteful number, since it uses less digits than its factorization.

1920207784950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59963 (or 59946 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 1920207784950 in words is "one trillion, nine hundred twenty billion, two hundred seven million, seven hundred eighty-four thousand, nine hundred fifty".