220242412 has 24 divisors (see below), whose sum is σ = 439490016. Its totient is φ = 95670528.

The previous prime is 220242403. The next prime is 220242479. The reversal of 220242412 is 214242022.

It is a self number, because there is not a number n which added to its sum of digits gives 220242412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123688 + ... + 125455.

It is an arithmetic number, because the mean of its divisors is an integer number (18312084).

Almost surely, 2^220242412 is an apocalyptic number.

It is an amenable number.

220242412 is a deficient number, since it is larger than the sum of its proper divisors (219247604).

220242412 is a wasteful number, since it uses less digits than its factorization.

220242412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249177 (or 249175 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 220242412 is about 14840.5664312384. The cubic root of 220242412 is about 603.9027188618.

Adding to 220242412 its reverse (214242022), we get a palindrome (434484434).

The spelling of 220242412 in words is "two hundred twenty million, two hundred forty-two thousand, four hundred twelve".