3152032220 has 96 divisors (see below), whose sum is σ = 7301508480. Its totient is φ = 1137991680.

The previous prime is 3152032211. The next prime is 3152032241. The reversal of 3152032220 is 222302513.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3152032192 and 3152032201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 891416 + ... + 894944.

It is an arithmetic number, because the mean of its divisors is an integer number (76057380).

Almost surely, 2^3152032220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3152032220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3650754240).

3152032220 is an abundant number, since it is smaller than the sum of its proper divisors (4149476260).

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

3152032220 is a wasteful number, since it uses less digits than its factorization.

3152032220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3663 (or 3661 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3152032220 is about 56142.9623372333. The cubic root of 3152032220 is about 1466.2123819170.

Adding to 3152032220 its reverse (222302513), we get a palindrome (3374334733).

The spelling of 3152032220 in words is "three billion, one hundred fifty-two million, thirty-two thousand, two hundred twenty".