220303212 has 24 divisors (see below), whose sum is σ = 514572912. Its totient is φ = 73358400.

The previous prime is 220303189. The next prime is 220303219. The reversal of 220303212 is 212303022.

220303212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220303191 and 220303200.

It is not an unprimeable number, because it can be changed into a prime (220303219) 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, 3262 + ... + 21242.

It is an arithmetic number, because the mean of its divisors is an integer number (21440538).

Almost surely, 2^220303212 is an apocalyptic number.

It is an amenable number.

220303212 is an abundant number, since it is smaller than the sum of its proper divisors (294269700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220303212 is a wasteful number, since it uses less digits than its factorization.

220303212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19009 (or 19007 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 220303212 is about 14842.6147292180. The cubic root of 220303212 is about 603.9582847672.

Adding to 220303212 its reverse (212303022), we get a palindrome (432606234).

The spelling of 220303212 in words is "two hundred twenty million, three hundred three thousand, two hundred twelve".