4020203142 has 48 divisors (see below), whose sum is σ = 8770535280. Its totient is φ = 1330854336.

The previous prime is 4020203137. The next prime is 4020203153. The reversal of 4020203142 is 2413020204.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2078808 + ... + 2080740.

It is an arithmetic number, because the mean of its divisors is an integer number (182719485).

Almost surely, 2^4020203142 is an apocalyptic number.

4020203142 is an abundant number, since it is smaller than the sum of its proper divisors (4750332138).

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

4020203142 is a wasteful number, since it uses less digits than its factorization.

4020203142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677 (or 2674 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4020203142 is about 63405.0718949202. The cubic root of 4020203142 is about 1590.0691058133.

Adding to 4020203142 its reverse (2413020204), we get a palindrome (6433223346).

The spelling of 4020203142 in words is "four billion, twenty million, two hundred three thousand, one hundred forty-two".