2132120320 has 72 divisors (see below), whose sum is σ = 5571412560. Its totient is φ = 775311360.

The previous prime is 2132120317. The next prime is 2132120357. The reversal of 2132120320 is 230212312.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2132120294 and 2132120303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61635 + ... + 89794.

It is an arithmetic number, because the mean of its divisors is an integer number (77380730).

Almost surely, 2^2132120320 is an apocalyptic number.

2132120320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2132120320 is an abundant number, since it is smaller than the sum of its proper divisors (3439292240).

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

2132120320 is a wasteful number, since it uses less digits than its factorization.

2132120320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151461 (or 151447 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2132120320 is about 46174.8884135089. Note that the first 3 decimals coincide. The cubic root of 2132120320 is about 1287.0751433202.

Adding to 2132120320 its reverse (230212312), we get a palindrome (2362332632).

The spelling of 2132120320 in words is "two billion, one hundred thirty-two million, one hundred twenty thousand, three hundred twenty".