220201346 has 4 divisors (see below), whose sum is σ = 330302022. Its totient is φ = 110100672.

The previous prime is 220201343. The next prime is 220201381. The reversal of 220201346 is 643102022.

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

It can be written as a sum of positive squares in only one way, i.e., 183900721 + 36300625 = 13561^2 + 6025^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220201343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55050335 + ... + 55050338.

Almost surely, 2^220201346 is an apocalyptic number.

220201346 is a deficient number, since it is larger than the sum of its proper divisors (110100676).

220201346 is a wasteful number, since it uses less digits than its factorization.

220201346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110100675.

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

The square root of 220201346 is about 14839.1827942107. The cubic root of 220201346 is about 603.8651823274.

Adding to 220201346 its reverse (643102022), we get a palindrome (863303368).

The spelling of 220201346 in words is "two hundred twenty million, two hundred one thousand, three hundred forty-six".