33020345105 has 16 divisors (see below), whose sum is σ = 43446072384. Its totient is φ = 23892886080.

The previous prime is 33020345101. The next prime is 33020345107. The reversal of 33020345105 is 50154302033.

It is not a de Polignac number, because 33020345105 - 2² = 33020345101 is a prime.

It is a super-2 number, since 2×33020345105² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33020345101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1512947 + ... + 1534616.

It is an arithmetic number, because the mean of its divisors is an integer number (2715379524).

Almost surely, 2^33020345105 is an apocalyptic number.

It is an amenable number.

33020345105 is a deficient number, since it is larger than the sum of its proper divisors (10425727279).

33020345105 is a wasteful number, since it uses less digits than its factorization.

33020345105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047776.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 33020345105 its reverse (50154302033), we get a palindrome (83174647138).

The spelling of 33020345105 in words is "thirty-three billion, twenty million, three hundred forty-five thousand, one hundred five".