1992322320 has 80 divisors (see below), whose sum is σ = 6180622272. Its totient is φ = 530905600.

The previous prime is 1992322303. The next prime is 1992322331. The reversal of 1992322320 is 232232991.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536470 + ... + 540170.

Almost surely, 2^1992322320 is an apocalyptic number.

1992322320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1992322320 is an abundant number, since it is smaller than the sum of its proper divisors (4188299952).

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

1992322320 is a wasteful number, since it uses less digits than its factorization.

1992322320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5960 (or 5954 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 1992322320 is about 44635.4379389292. The cubic root of 1992322320 is about 1258.3067707018.

The spelling of 1992322320 in words is "one billion, nine hundred ninety-two million, three hundred twenty-two thousand, three hundred twenty".