4020312033 has 24 divisors (see below), whose sum is σ = 5881761600. Its totient is φ = 2645978400.

The previous prime is 4020312017. The next prime is 4020312061. The reversal of 4020312033 is 3302130204.

It is not a de Polignac number, because 4020312033 - 2⁴ = 4020312017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4020311997 and 4020312015.

It is not an unprimeable number, because it can be changed into a prime (4020312533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212443 + ... + 230591.

It is an arithmetic number, because the mean of its divisors is an integer number (245073400).

Almost surely, 2^4020312033 is an apocalyptic number.

It is an amenable number.

4020312033 is a deficient number, since it is larger than the sum of its proper divisors (1861449567).

4020312033 is a wasteful number, since it uses less digits than its factorization.

4020312033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18469 (or 18466 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 4020312033 is about 63405.9305822413. The cubic root of 4020312033 is about 1590.0834618583.

Adding to 4020312033 its reverse (3302130204), we get a palindrome (7322442237).

The spelling of 4020312033 in words is "four billion, twenty million, three hundred twelve thousand, thirty-three".