220131342 has 12 divisors (see below), whose sum is σ = 476951280. Its totient is φ = 73377108.

The previous prime is 220131323. The next prime is 220131343. The reversal of 220131342 is 243131022.

220131342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12229519 = 220131342 / (2 + 2 + 0 + 1 + 3 + 1 + 3 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220131343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6114742 + ... + 6114777.

It is an arithmetic number, because the mean of its divisors is an integer number (39745940).

Almost surely, 2^220131342 is an apocalyptic number.

220131342 is an abundant number, since it is smaller than the sum of its proper divisors (256819938).

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

220131342 is a wasteful number, since it uses less digits than its factorization.

220131342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12229527 (or 12229524 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 220131342 is about 14836.8238514852. The cubic root of 220131342 is about 603.8011841436.

Adding to 220131342 its reverse (243131022), we get a palindrome (463262364).

The spelling of 220131342 in words is "two hundred twenty million, one hundred thirty-one thousand, three hundred forty-two".