220205012 has 12 divisors (see below), whose sum is σ = 408027060. Its totient is φ = 103625856.

The previous prime is 220204939. The next prime is 220205017. The reversal of 220205012 is 210502022.

It can be written as a sum of positive squares in 2 ways, for example, as 118679236 + 101525776 = 10894^2 + 10076^2 .

It is a super-3 number, since 3×220205012³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220205017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1619087 + ... + 1619222.

It is an arithmetic number, because the mean of its divisors is an integer number (34002255).

Almost surely, 2^220205012 is an apocalyptic number.

It is an amenable number.

220205012 is a deficient number, since it is larger than the sum of its proper divisors (187822048).

220205012 is a wasteful number, since it uses less digits than its factorization.

220205012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238330 (or 3238328 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 220205012 is about 14839.3063180190. The cubic root of 220205012 is about 603.8685334385.

Adding to 220205012 its reverse (210502022), we get a palindrome (430707034).

The spelling of 220205012 in words is "two hundred twenty million, two hundred five thousand, twelve".