2132031220 has 96 divisors (see below), whose sum is σ = 4966012800. Its totient is φ = 762432000.

The previous prime is 2132031179. The next prime is 2132031221. The reversal of 2132031220 is 221302312.

It is a junction number, because it is equal to n+sod(n) for n = 2132031194 and 2132031203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132031221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5088171 + ... + 5088589.

It is an arithmetic number, because the mean of its divisors is an integer number (51729300).

Almost surely, 2^2132031220 is an apocalyptic number.

2132031220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2132031220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2483006400).

2132031220 is an abundant number, since it is smaller than the sum of its proper divisors (2833981580).

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

2132031220 is a wasteful number, since it uses less digits than its factorization.

2132031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 767 counting only the distinct ones).

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

The square root of 2132031220 is about 46173.9235933010. The cubic root of 2132031220 is about 1287.0572143769.

Adding to 2132031220 its reverse (221302312), we get a palindrome (2353333532).

The spelling of 2132031220 in words is "two billion, one hundred thirty-two million, thirty-one thousand, two hundred twenty".