220243132 has 6 divisors (see below), whose sum is σ = 385425488. Its totient is φ = 110121564.

The previous prime is 220243099. The next prime is 220243159. The reversal of 220243132 is 231342022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27530388 + ... + 27530395.

Almost surely, 2^220243132 is an apocalyptic number.

It is an amenable number.

220243132 is a deficient number, since it is larger than the sum of its proper divisors (165182356).

220243132 is a wasteful number, since it uses less digits than its factorization.

220243132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55060787 (or 55060785 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 220243132 is about 14840.5906890528. The cubic root of 220243132 is about 603.9033769389.

Adding to 220243132 its reverse (231342022), we get a palindrome (451585154).

The spelling of 220243132 in words is "two hundred twenty million, two hundred forty-three thousand, one hundred thirty-two".