4020113443001 has 4 divisors (see below), whose sum is σ = 4256590704372. Its totient is φ = 3783636181632.

The previous prime is 4020113442971. The next prime is 4020113443051. The reversal of 4020113443001 is 1003443110204.

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 1829461835776 + 2190651607225 = 1352576^2 + 1480085^2 .

It is a cyclic number.

It is not a de Polignac number, because 4020113443001 - 2²⁶ = 4020046334137 is a prime.

It is a super-2 number, since 2×4020113443001² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4020113443051) 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, 118238630660 + ... + 118238630693.

It is an arithmetic number, because the mean of its divisors is an integer number (1064147676093).

Almost surely, 2^{4020113443001} is an apocalyptic number.

It is an amenable number.

4020113443001 is a deficient number, since it is larger than the sum of its proper divisors (236477261371).

4020113443001 is a wasteful number, since it uses less digits than its factorization.

4020113443001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236477261370.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 4020113443001 its reverse (1003443110204), we get a palindrome (5023556553205).

The spelling of 4020113443001 in words is "four trillion, twenty billion, one hundred thirteen million, four hundred forty-three thousand, one".