2132313220 has 24 divisors (see below), whose sum is σ = 4490703000. Its totient is φ = 850478592.

The previous prime is 2132313203. The next prime is 2132313221. The reversal of 2132313220 is 223132312.

It can be written as a sum of positive squares in 4 ways, for example, as 820135044 + 1312178176 = 28638^2 + 36224^2 .

It is not an unprimeable number, because it can be changed into a prime (2132313221) 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 7 ways as a sum of consecutive naturals, for example, 145765 + ... + 159724.

It is an arithmetic number, because the mean of its divisors is an integer number (187112625).

Almost surely, 2^2132313220 is an apocalyptic number.

2132313220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2132313220 is an abundant number, since it is smaller than the sum of its proper divisors (2358389780).

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

2132313220 is a wasteful number, since it uses less digits than its factorization.

2132313220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305847 (or 305845 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2132313220 is about 46176.9771639504. The cubic root of 2132313220 is about 1287.1139574693.

Adding to 2132313220 its reverse (223132312), we get a palindrome (2355445532).

It can be divided in two parts, 21323 and 13220, that added together give a palindrome (34543).

The spelling of 2132313220 in words is "two billion, one hundred thirty-two million, three hundred thirteen thousand, two hundred twenty".