4020203143 has 16 divisors (see below), whose sum is σ = 4700054016. Its totient is φ = 3401339040.

The previous prime is 4020203137. The next prime is 4020203153. The reversal of 4020203143 is 3413020204.

It is not a de Polignac number, because 4020203143 - 2¹⁷ = 4020072071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4020203143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020203123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205371 + ... + 224092.

It is an arithmetic number, because the mean of its divisors is an integer number (293753376).

Almost surely, 2^4020203143 is an apocalyptic number.

4020203143 is a deficient number, since it is larger than the sum of its proper divisors (679850873).

4020203143 is a wasteful number, since it uses less digits than its factorization.

4020203143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429534.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4020203143 is about 63405.0719028060. The cubic root of 4020203143 is about 1590.0691059452.

Adding to 4020203143 its reverse (3413020204), we get a palindrome (7433223347).

The spelling of 4020203143 in words is "four billion, twenty million, two hundred three thousand, one hundred forty-three".