2020140442 has 16 divisors (see below), whose sum is σ = 3098384640. Its totient is φ = 987594192.

The previous prime is 2020140427. The next prime is 2020140443. The reversal of 2020140442 is 2440410202.

It is not an unprimeable number, because it can be changed into a prime (2020140443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45793 + ... + 78340.

It is an arithmetic number, because the mean of its divisors is an integer number (193649040).

Almost surely, 2^2020140442 is an apocalyptic number.

2020140442 is a deficient number, since it is larger than the sum of its proper divisors (1078244198).

2020140442 is a wasteful number, since it uses less digits than its factorization.

2020140442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124317.

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

The square root of 2020140442 is about 44945.9724780764. The cubic root of 2020140442 is about 1264.1361601738.

Adding to 2020140442 its reverse (2440410202), we get a palindrome (4460550644).

The spelling of 2020140442 in words is "two billion, twenty million, one hundred forty thousand, four hundred forty-two".