4421020142 has 16 divisors (see below), whose sum is σ = 8267882112. Its totient is φ = 1722475320.

The previous prime is 4421020139. The next prime is 4421020151. The reversal of 4421020142 is 2410201244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14353808 + ... + 14354115.

It is an arithmetic number, because the mean of its divisors is an integer number (516742632).

Almost surely, 2^4421020142 is an apocalyptic number.

4421020142 is a deficient number, since it is larger than the sum of its proper divisors (3846861970).

4421020142 is a wasteful number, since it uses less digits than its factorization.

4421020142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28707943.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 4421020142 is about 66490.7523043618. The cubic root of 4421020142 is about 1641.2478285795.

Adding to 4421020142 its reverse (2410201244), we get a palindrome (6831221386).

The spelling of 4421020142 in words is "four billion, four hundred twenty-one million, twenty thousand, one hundred forty-two".