220412142 has 12 divisors (see below), whose sum is σ = 477559680. Its totient is φ = 73470708.

The previous prime is 220412131. The next prime is 220412167. The reversal of 220412142 is 241214022.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12245119 = 220412142 / (2 + 2 + 0 + 4 + 1 + 2 + 1 + 4 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6122542 + ... + 6122577.

It is an arithmetic number, because the mean of its divisors is an integer number (39796640).

Almost surely, 2^220412142 is an apocalyptic number.

220412142 is an abundant number, since it is smaller than the sum of its proper divisors (257147538).

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

220412142 is a wasteful number, since it uses less digits than its factorization.

220412142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12245127 (or 12245124 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 220412142 is about 14846.2837774306. The cubic root of 220412142 is about 604.0578117405.

Adding to 220412142 its reverse (241214022), we get a palindrome (461626164).

The spelling of 220412142 in words is "two hundred twenty million, four hundred twelve thousand, one hundred forty-two".