4020142034 has 4 divisors (see below), whose sum is σ = 6030213054. Its totient is φ = 2010071016.

The previous prime is 4020142013. The next prime is 4020142073. The reversal of 4020142034 is 4302410204.

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., 3983503225 + 36638809 = 63115^2 + 6053^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4020141997 and 4020142015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005035507 + ... + 1005035510.

Almost surely, 2^4020142034 is an apocalyptic number.

4020142034 is a deficient number, since it is larger than the sum of its proper divisors (2010071020).

4020142034 is a wasteful number, since it uses less digits than its factorization.

4020142034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010071019.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4020142034 is about 63404.5900073488. The cubic root of 4020142034 is about 1590.0610493021.

Adding to 4020142034 its reverse (4302410204), we get a palindrome (8322552238).

The spelling of 4020142034 in words is "four billion, twenty million, one hundred forty-two thousand, thirty-four".