220131434 has 16 divisors (see below), whose sum is σ = 342372096. Its totient is φ = 106039200.

The previous prime is 220131391. The next prime is 220131437. The reversal of 220131434 is 434131022.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220131437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6254 + ... + 21894.

It is an arithmetic number, because the mean of its divisors is an integer number (21398256).

Almost surely, 2^220131434 is an apocalyptic number.

220131434 is a deficient number, since it is larger than the sum of its proper divisors (122240662).

220131434 is a wasteful number, since it uses less digits than its factorization.

220131434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15901.

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

The square root of 220131434 is about 14836.8269518789. The cubic root of 220131434 is about 603.8012682596.

Adding to 220131434 its reverse (434131022), we get a palindrome (654262456).

The spelling of 220131434 in words is "two hundred twenty million, one hundred thirty-one thousand, four hundred thirty-four".