220035231 has 32 divisors (see below), whose sum is σ = 352835840. Its totient is φ = 134719200.

The previous prime is 220035203. The next prime is 220035239. The reversal of 220035231 is 132530022.

It is not a de Polignac number, because 220035231 - 2⁷ = 220035103 is a prime.

It is a super-2 number, since 2×220035231² = 96831005762446722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220035239) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 72576 + ... + 75546.

It is an arithmetic number, because the mean of its divisors is an integer number (11026120).

Almost surely, 2^220035231 is an apocalyptic number.

220035231 is a deficient number, since it is larger than the sum of its proper divisors (132800609).

220035231 is a wasteful number, since it uses less digits than its factorization.

220035231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204 (or 3198 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 220035231 is about 14833.5845634155. The cubic root of 220035231 is about 603.7132966384.

Adding to 220035231 its reverse (132530022), we get a palindrome (352565253).

The spelling of 220035231 in words is "two hundred twenty million, thirty-five thousand, two hundred thirty-one".