33020345033 has 12 divisors (see below), whose sum is σ = 35983530828. Its totient is φ = 30286152000.

The previous prime is 33020345003. The next prime is 33020345053. The reversal of 33020345033 is 33054302033.

It can be written as a sum of positive squares in 6 ways, for example, as 11183485504 + 21836859529 = 105752^2 + 147773^2 .

It is not a de Polignac number, because 33020345033 - 2¹⁶ = 33020279497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33020344993 and 33020345011.

It is not an unprimeable number, because it can be changed into a prime (33020345003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 595718 + ... + 648783.

It is an arithmetic number, because the mean of its divisors is an integer number (2998627569).

Almost surely, 2^33020345033 is an apocalyptic number.

It is an amenable number.

33020345033 is a deficient number, since it is larger than the sum of its proper divisors (2963185795).

33020345033 is a wasteful number, since it uses less digits than its factorization.

33020345033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244684 (or 1244671 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 26.

Adding to 33020345033 its reverse (33054302033), we get a palindrome (66074647066).

The spelling of 33020345033 in words is "thirty-three billion, twenty million, three hundred forty-five thousand, thirty-three".