2020432042 has 4 divisors (see below), whose sum is σ = 3030648066. Its totient is φ = 1010216020.

The previous prime is 2020432009. The next prime is 2020432061. The reversal of 2020432042 is 2402340202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1592728281 + 427703761 = 39909^2 + 20681^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505108009 + ... + 505108012.

Almost surely, 2^2020432042 is an apocalyptic number.

2020432042 is a deficient number, since it is larger than the sum of its proper divisors (1010216024).

2020432042 is a wasteful number, since it uses less digits than its factorization.

2020432042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010216023.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2020432042 is about 44949.2162556813. The cubic root of 2020432042 is about 1264.1969817487.

Adding to 2020432042 its reverse (2402340202), we get a palindrome (4422772244).

The spelling of 2020432042 in words is "two billion, twenty million, four hundred thirty-two thousand, forty-two".