3132142220 has 48 divisors (see below), whose sum is σ = 6969291840. Its totient is φ = 1178333184.

The previous prime is 3132142213. The next prime is 3132142243. The reversal of 3132142220 is 222412313.

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 = 3132142192 and 3132142201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721697 + ... + 726023.

It is an arithmetic number, because the mean of its divisors is an integer number (145193580).

Almost surely, 2^3132142220 is an apocalyptic number.

It is an amenable number.

3132142220 is an abundant number, since it is smaller than the sum of its proper divisors (3837149620).

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

3132142220 is a wasteful number, since it uses less digits than its factorization.

3132142220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6482 (or 6480 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3132142220 is about 55965.5449361480. The cubic root of 3132142220 is about 1463.1218337975.

Adding to 3132142220 its reverse (222412313), we get a palindrome (3354554533).

The spelling of 3132142220 in words is "three billion, one hundred thirty-two million, one hundred forty-two thousand, two hundred twenty".