1992099120 has 80 divisors (see below), whose sum is σ = 6736925952. Its totient is φ = 482932480.

The previous prime is 1992099119. The next prime is 1992099127. The reversal of 1992099120 is 219902991.

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

It is not an unprimeable number, because it can be changed into a prime (1992099127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374652 + ... + 379931.

Almost surely, 2^1992099120 is an apocalyptic number.

1992099120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1992099120 is an abundant number, since it is smaller than the sum of its proper divisors (4744826832).

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

1992099120 is a wasteful number, since it uses less digits than its factorization.

1992099120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754610 (or 754604 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 42.

The square root of 1992099120 is about 44632.9376133814. The cubic root of 1992099120 is about 1258.2597795503.

The spelling of 1992099120 in words is "one billion, nine hundred ninety-two million, ninety-nine thousand, one hundred twenty".