2126185320 has 128 divisors (see below), whose sum is σ = 7606794240. Its totient is φ = 464851200.

The previous prime is 2126185289. The next prime is 2126185331. The reversal of 2126185320 is 235816212.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35706 + ... + 74345.

It is an arithmetic number, because the mean of its divisors is an integer number (59428080).

Almost surely, 2^2126185320 is an apocalyptic number.

2126185320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2126185320 is an abundant number, since it is smaller than the sum of its proper divisors (5480608920).

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

2126185320 is a wasteful number, since it uses less digits than its factorization.

2126185320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110095 (or 110091 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2126185320 is about 46110.5770946320. The cubic root of 2126185320 is about 1285.8797933673.

The spelling of 2126185320 in words is "two billion, one hundred twenty-six million, one hundred eighty-five thousand, three hundred twenty".