4020434242033 has 6 divisors (see below), whose sum is σ = 4419154993442. Its totient is φ = 3654940219920.

The previous prime is 4020434241953. The next prime is 4020434242043. The reversal of 4020434242033 is 3302424340204.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3879213863184 + 141220378849 = 1969572^2 + 375793^2 .

It is not a de Polignac number, because 4020434242033 - 2³⁷ = 3882995288561 is a prime.

It is a super-2 number, since 2×4020434242033² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4020434241986 and 4020434242004.

It is not an unprimeable number, because it can be changed into a prime (4020434242043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16613364516 + ... + 16613364757.

Almost surely, 2^{4020434242033} is an apocalyptic number.

It is an amenable number.

4020434242033 is a deficient number, since it is larger than the sum of its proper divisors (398720751409).

4020434242033 is a wasteful number, since it uses less digits than its factorization.

4020434242033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33226729295 (or 33226729284 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 4020434242033 its reverse (3302424340204), we get a palindrome (7322858582237).

The spelling of 4020434242033 in words is "four trillion, twenty billion, four hundred thirty-four million, two hundred forty-two thousand, thirty-three".