4020101040013 has 4 divisors (see below), whose sum is σ = 4020107174460. Its totient is φ = 4020094905568.

The previous prime is 4020101039947. The next prime is 4020101040019. The reversal of 4020101040013 is 3100401010204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1992831952329 + 2027269087684 = 1411677^2 + 1423822^2 .

It is a cyclic number.

It is not a de Polignac number, because 4020101040013 - 2⁹ = 4020101039501 is a prime.

It is a super-2 number, since 2×4020101040013² (a number of 26 digits) 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 (4020101040019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1948120 + ... + 3440257.

It is an arithmetic number, because the mean of its divisors is an integer number (1005026793615).

Almost surely, 2^{4020101040013} is an apocalyptic number.

It is an amenable number.

4020101040013 is a deficient number, since it is larger than the sum of its proper divisors (6134447).

4020101040013 is an equidigital number, since it uses as much as digits as its factorization.

4020101040013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6134446.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 4020101040013 its reverse (3100401010204), we get a palindrome (7120502050217).

The spelling of 4020101040013 in words is "four trillion, twenty billion, one hundred one million, forty thousand, thirteen".