220131134 has 4 divisors (see below), whose sum is σ = 330196704. Its totient is φ = 110065566.

The previous prime is 220131133. The next prime is 220131139. The reversal of 220131134 is 431131022.

220131134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×220131134² = 96915432312251912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220131133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55032782 + ... + 55032785.

It is an arithmetic number, because the mean of its divisors is an integer number (82549176).

Almost surely, 2^220131134 is an apocalyptic number.

220131134 is a deficient number, since it is larger than the sum of its proper divisors (110065570).

220131134 is a wasteful number, since it uses less digits than its factorization.

220131134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110065569.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 220131134 is about 14836.8168418971. The cubic root of 220131134 is about 603.8009939682.

Adding to 220131134 its reverse (431131022), we get a palindrome (651262156).

The spelling of 220131134 in words is "two hundred twenty million, one hundred thirty-one thousand, one hundred thirty-four".