220131142 has 16 divisors (see below), whose sum is σ = 411674112. Its totient is φ = 85765320.

The previous prime is 220131139. The next prime is 220131161. The reversal of 220131142 is 241131022.

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 7 ways as a sum of consecutive naturals, for example, 714558 + ... + 714865.

It is an arithmetic number, because the mean of its divisors is an integer number (25729632).

Almost surely, 2^220131142 is an apocalyptic number.

220131142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220131142 is a deficient number, since it is larger than the sum of its proper divisors (191542970).

220131142 is a wasteful number, since it uses less digits than its factorization.

220131142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429443.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 220131142 is about 14836.8171114967. The cubic root of 220131142 is about 603.8010012826.

Adding to 220131142 its reverse (241131022), we get a palindrome (461262164).

The spelling of 220131142 in words is "two hundred twenty million, one hundred thirty-one thousand, one hundred forty-two".