2130099920 has 80 divisors (see below), whose sum is σ = 5565393792. Its totient is φ = 752294400.

The previous prime is 2130099919. The next prime is 2130100001. The reversal of 2130099920 is 299900312.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20606 + ... + 68445.

Almost surely, 2^2130099920 is an apocalyptic number.

2130099920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130099920 is an abundant number, since it is smaller than the sum of its proper divisors (3435293872).

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

2130099920 is a wasteful number, since it uses less digits than its factorization.

2130099920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89100 (or 89094 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 2130099920 is about 46153.0055359345. The cubic root of 2130099920 is about 1286.6684701428.

The spelling of 2130099920 in words is "two billion, one hundred thirty million, ninety-nine thousand, nine hundred twenty".