4020202571 has 32 divisors (see below), whose sum is σ = 5303992320. Its totient is φ = 2952007200.

The previous prime is 4020202547. The next prime is 4020202663. The reversal of 4020202571 is 1752020204.

It is a happy number.

It is not a de Polignac number, because 4020202571 - 2¹⁴ = 4020186187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4020202531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272240 + ... + 286626.

It is an arithmetic number, because the mean of its divisors is an integer number (165749760).

Almost surely, 2^4020202571 is an apocalyptic number.

4020202571 is a deficient number, since it is larger than the sum of its proper divisors (1283789749).

4020202571 is a wasteful number, since it uses less digits than its factorization.

4020202571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14615.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 4020202571 is about 63405.0673921257. The cubic root of 4020202571 is about 1590.0690305328.

Adding to 4020202571 its reverse (1752020204), we get a palindrome (5772222775).

The spelling of 4020202571 in words is "four billion, twenty million, two hundred two thousand, five hundred seventy-one".