220220412 has 48 divisors (see below), whose sum is σ = 542962560. Its totient is φ = 69277248.

The previous prime is 220220383. The next prime is 220220419. The reversal of 220220412 is 214022022.

220220412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220220412² = 96994059722899488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220220391 and 220220400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220220419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62818 + ... + 66230.

It is an arithmetic number, because the mean of its divisors is an integer number (11311720).

Almost surely, 2^220220412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220220412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271481280).

220220412 is an abundant number, since it is smaller than the sum of its proper divisors (322742148).

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

220220412 is a wasteful number, since it uses less digits than its factorization.

220220412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722 (or 3720 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 220220412 is about 14839.8252011269. The cubic root of 220220412 is about 603.8826102580.

Adding to 220220412 its reverse (214022022), we get a palindrome (434242434).

The spelling of 220220412 in words is "two hundred twenty million, two hundred twenty thousand, four hundred twelve".