4020135501 has 8 divisors (see below), whose sum is σ = 5642295520. Its totient is φ = 2539032912.

The previous prime is 4020135481. The next prime is 4020135593. The reversal of 4020135501 is 1055310204.

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

It is not a de Polignac number, because 4020135501 - 2⁶ = 4020135437 is a prime.

It is a super-2 number, since 2×4020135501² = 32322978892801042002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020135601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35264290 + ... + 35264403.

It is an arithmetic number, because the mean of its divisors is an integer number (705286940).

Almost surely, 2^4020135501 is an apocalyptic number.

It is an amenable number.

4020135501 is a deficient number, since it is larger than the sum of its proper divisors (1622160019).

4020135501 is a wasteful number, since it uses less digits than its factorization.

4020135501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70528715.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 4020135501 is about 63404.5384889757. The cubic root of 4020135501 is about 1590.0601879831.

Adding to 4020135501 its reverse (1055310204), we get a palindrome (5075445705).

The spelling of 4020135501 in words is "four billion, twenty million, one hundred thirty-five thousand, five hundred one".