4020201265 has 8 divisors (see below), whose sum is σ = 4825811880. Its totient is φ = 3215114112.

The previous prime is 4020201239. The next prime is 4020201301. The reversal of 4020201265 is 5621020204.

It can be written as a sum of positive squares in 4 ways, for example, as 127938721 + 3892262544 = 11311^2 + 62388^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4020201265 - 2⁵ = 4020201233 is a prime.

It is a super-2 number, since 2×4020201265² = 32324036422215200450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113764 + ... + 144853.

It is an arithmetic number, because the mean of its divisors is an integer number (603226485).

Almost surely, 2^4020201265 is an apocalyptic number.

It is an amenable number.

4020201265 is a deficient number, since it is larger than the sum of its proper divisors (805610615).

4020201265 is a wasteful number, since it uses less digits than its factorization.

4020201265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261731.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4020201265 is about 63405.0570932635. The cubic root of 4020201265 is about 1590.0688583499.

Adding to 4020201265 its reverse (5621020204), we get a palindrome (9641221469).

The spelling of 4020201265 in words is "four billion, twenty million, two hundred one thousand, two hundred sixty-five".