220102012 has 12 divisors (see below), whose sum is σ = 414807736. Its totient is φ = 101585520.

The previous prime is 220102007. The next prime is 220102013. The reversal of 220102012 is 210201022.

It is a self number, because there is not a number n which added to its sum of digits gives 220102012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220102013) 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, 2116314 + ... + 2116417.

Almost surely, 2^220102012 is an apocalyptic number.

It is an amenable number.

220102012 is a deficient number, since it is larger than the sum of its proper divisors (194705724).

220102012 is a wasteful number, since it uses less digits than its factorization.

220102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4232748 (or 4232746 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 220102012 is about 14835.8353994644. The cubic root of 220102012 is about 603.7743664035.

Adding to 220102012 its reverse (210201022), we get a palindrome (430303034).

The spelling of 220102012 in words is "two hundred twenty million, one hundred two thousand, twelve".