2011432320 has 96 divisors (see below), whose sum is σ = 6945747120. Its totient is φ = 536380416.

The previous prime is 2011432301. The next prime is 2011432327. The reversal of 2011432320 is 232341102.

2011432320 is a `hidden beast` number, since 201 + 1 + 432 + 32 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2011432293 and 2011432302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011432327) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 168844 + ... + 180363.

Almost surely, 2^2011432320 is an apocalyptic number.

2011432320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011432320 is an abundant number, since it is smaller than the sum of its proper divisors (4934314800).

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

2011432320 is a wasteful number, since it uses less digits than its factorization.

2011432320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349232 (or 349217 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2011432320 is about 44848.9946375613. The cubic root of 2011432320 is about 1262.3171269938.

Adding to 2011432320 its reverse (232341102), we get a palindrome (2243773422).

The spelling of 2011432320 in words is "two billion, eleven million, four hundred thirty-two thousand, three hundred twenty".