220142000442 has 32 divisors (see below), whose sum is σ = 541888002432. Its totient is φ = 58059428544.

The previous prime is 220142000417. The next prime is 220142000459. The reversal of 220142000442 is 244000241022.

220142000442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201594693 + ... + 201595784.

It is an arithmetic number, because the mean of its divisors is an integer number (16934000076).

Almost surely, 2^220142000442 is an apocalyptic number.

220142000442 is an abundant number, since it is smaller than the sum of its proper divisors (321746001990).

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

220142000442 is a wasteful number, since it uses less digits than its factorization.

220142000442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403190502.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 220142000442 its reverse (244000241022), we get a palindrome (464142241464).

The spelling of 220142000442 in words is "two hundred twenty billion, one hundred forty-two million, four hundred forty-two", and thus it is an aban number.