2132402320 has 20 divisors (see below), whose sum is σ = 4957835580. Its totient is φ = 852960896.

The previous prime is 2132402317. The next prime is 2132402323. The reversal of 2132402320 is 232042312.

It is an interprime number because it is at equal distance from previous prime (2132402317) and next prime (2132402323).

It can be written as a sum of positive squares in 2 ways, for example, as 894488464 + 1237913856 = 29908^2 + 35184^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (2132402323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13327435 + ... + 13327594.

It is an arithmetic number, because the mean of its divisors is an integer number (247891779).

Almost surely, 2^2132402320 is an apocalyptic number.

2132402320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2132402320 is an abundant number, since it is smaller than the sum of its proper divisors (2825433260).

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

2132402320 is a wasteful number, since it uses less digits than its factorization.

2132402320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26655042 (or 26655036 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2132402320 is about 46177.9419203585. The cubic root of 2132402320 is about 1287.1318848318.

Adding to 2132402320 its reverse (232042312), we get a palindrome (2364444632).

The spelling of 2132402320 in words is "two billion, one hundred thirty-two million, four hundred two thousand, three hundred twenty".